diff --git a/01-run-quit.html b/01-run-quit.html
index b7beae258..f4208157b 100644
--- a/01-run-quit.html
+++ b/01-run-quit.html
@@ -727,7 +727,7 @@ <h4 class="accordion-header" id="headingSolution1">
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   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>After creating the necessary tabs, you can drag one of the tabs to
 the center of a panel to move the tab to the panel; next you can
@@ -794,7 +794,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>Command mode has a grey border and Edit mode has a blue border. Use
 <kbd>Esc</kbd> and <kbd>Return</kbd> to switch between modes. You need
@@ -958,7 +958,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>This challenge integrates both the numbered list and bullet list.
 Note that the bullet list is indented 2 spaces so that it is inline with
@@ -1001,7 +1001,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p>Python returns the output of the last calculation.</p>
 <div class="codewrapper sourceCode" id="cb12">
@@ -1046,7 +1046,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p>The Python code gets treated like Markdown text. The lines appear as
 if they are part of one contiguous paragraph. This could be useful to
@@ -1086,7 +1086,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>The notebook shows the equation as it would be rendered from LaTeX
 equation syntax. The dollar sign, <code>$</code>, is used to tell
@@ -1179,8 +1179,8 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
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         <p><a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">Template licensed under CC-BY 4.0</a> by <a href="https://carpentries.org" class="external-link">The Carpentries</a></p>
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@@ -1203,7 +1203,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://swcarpentry.github.io/python-novice-gapminder/01-run-quit.html",
   "dateCreated": "2016-01-07",
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diff --git a/02-variables.html b/02-variables.html
index 374de6736..b92311b43 100644
--- a/02-variables.html
+++ b/02-variables.html
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   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
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 <div class="codewrapper">
 <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -728,7 +728,7 @@ <h4 class="accordion-header" id="headingSolution2">
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   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
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 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb20">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
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   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>Numbers are not strings or sequences and Python will raise an error
 if you try to perform an index operation on a number. In the <a href="03-types-conversion.html">next lesson on types and type
@@ -828,7 +828,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p><code>minutes</code> is better because <code>min</code> might mean
 something like “minimum” (and actually is an existing built-in function
@@ -862,7 +862,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
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 <div class="accordion-body">
 <div class="codewrapper">
 <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
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   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>
 <code>species_name[2:8]</code> returns the substring
@@ -1003,8 +1003,8 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p><a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">Template licensed under CC-BY 4.0</a> by <a href="https://carpentries.org" class="external-link">The Carpentries</a></p>
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-        <a href="https://github.com/carpentries/pegboard/tree/0.6.1" class="external-link">pegboard (0.6.1)</a>,
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.14.0" class="external-link">sandpaper (0.14.0)</a>,
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.0" class="external-link">pegboard (0.7.0)</a>,
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@@ -1027,7 +1027,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://swcarpentry.github.io/python-novice-gapminder/02-variables.html",
   "dateCreated": "2016-01-07",
   "dateModified": "2023-05-02",
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diff --git a/03-types-conversion.html b/03-types-conversion.html
index 305888d6f..0fa925d0f 100644
--- a/03-types-conversion.html
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@@ -660,7 +660,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>It is a floating-point number (often abbreviated “float”). It is
 possible to find out by using the built-in function
@@ -698,7 +698,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>It is a float: integers are automatically converted to floats as
 necessary.</p>
@@ -746,7 +746,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>The answers to the questions are:</p>
 <ol style="list-style-type: decimal"><li>Integer, since the number of days would lie between 1 and 365.</li>
@@ -804,7 +804,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p>We want the minimum number of surveys that reaches everyone once,
 which is the rounded up value of
@@ -890,7 +890,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p>What do you expect this program to do? It would not be so
 unreasonable to expect the Python 3 <code>int</code> command to convert
@@ -961,7 +961,7 @@ <h4 class="accordion-header" id="headingSolution6">
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   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>Answer: 1 and 4</p>
 </div>
@@ -1008,7 +1008,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>Standard mathematics treatments typically use <code>i</code> to
 denote an imaginary number. However, from media reports it was an early
@@ -1083,8 +1083,8 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p><a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">Template licensed under CC-BY 4.0</a> by <a href="https://carpentries.org" class="external-link">The Carpentries</a></p>
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.14.0" class="external-link">sandpaper (0.14.0)</a>,
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.0" class="external-link">pegboard (0.7.0)</a>,
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@@ -1107,7 +1107,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://swcarpentry.github.io/python-novice-gapminder/03-types-conversion.html",
   "dateCreated": "2016-01-07",
   "dateModified": "2023-05-02",
-  "datePublished": "2023-09-26"
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diff --git a/04-built-in.html b/04-built-in.html
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   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>Order of operations:</li>
 <li><code>1.1 * radiance = 1.1</code></li>
@@ -791,7 +791,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb30">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -859,7 +859,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p><code>max</code> and <code>min</code> return TypeErrors in this case
 because the correct number of parameters was not supplied. If it just
@@ -892,7 +892,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p><code>name[len(name) - 1]</code></p>
 </div>
@@ -982,8 +982,8 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p><a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">Template licensed under CC-BY 4.0</a> by <a href="https://carpentries.org" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.13.3" class="external-link">sandpaper (0.13.3)</a>,
-        <a href="https://github.com/carpentries/pegboard/tree/0.6.1" class="external-link">pegboard (0.6.1)</a>,
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.14.0" class="external-link">sandpaper (0.14.0)</a>,
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.0" class="external-link">pegboard (0.7.0)</a>,
       and <a href="https://github.com/carpentries/varnish/tree/0.3.0" class="external-link">varnish (0.3.0)</a>.</p>
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@@ -1006,7 +1006,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
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diff --git a/05-coffee.html b/05-coffee.html
index d431619be..13e3288d9 100644
--- a/05-coffee.html
+++ b/05-coffee.html
@@ -440,8 +440,8 @@ <h1>Morning Coffee</h1>
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p><a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">Template licensed under CC-BY 4.0</a> by <a href="https://carpentries.org" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.13.3" class="external-link">sandpaper (0.13.3)</a>,
-        <a href="https://github.com/carpentries/pegboard/tree/0.6.1" class="external-link">pegboard (0.6.1)</a>,
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.14.0" class="external-link">sandpaper (0.14.0)</a>,
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       and <a href="https://github.com/carpentries/varnish/tree/0.3.0" class="external-link">varnish (0.3.0)</a>.</p>
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 		</footer></div> <!-- / div.container -->
@@ -464,7 +464,7 @@ <h1>Morning Coffee</h1>
   "identifier": "https://swcarpentry.github.io/python-novice-gapminder/05-coffee.html",
   "dateCreated": "2016-01-07",
   "dateModified": "2023-05-02",
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diff --git a/06-libraries.html b/06-libraries.html
index 8596e5ff6..4f1e55e59 100644
--- a/06-libraries.html
+++ b/06-libraries.html
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         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p><a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">Template licensed under CC-BY 4.0</a> by <a href="https://carpentries.org" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.13.3" class="external-link">sandpaper (0.13.3)</a>,
-        <a href="https://github.com/carpentries/pegboard/tree/0.6.1" class="external-link">pegboard (0.6.1)</a>,
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.14.0" class="external-link">sandpaper (0.14.0)</a>,
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.0" class="external-link">pegboard (0.7.0)</a>,
       and <a href="https://github.com/carpentries/varnish/tree/0.3.0" class="external-link">varnish (0.3.0)</a>.</p>
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 		</footer></div> <!-- / div.container -->
@@ -1061,7 +1061,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://swcarpentry.github.io/python-novice-gapminder/06-libraries.html",
   "dateCreated": "2016-01-07",
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index afaff0def..9ffbc45ca 100644
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         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p><a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">Template licensed under CC-BY 4.0</a> by <a href="https://carpentries.org" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.13.3" class="external-link">sandpaper (0.13.3)</a>,
-        <a href="https://github.com/carpentries/pegboard/tree/0.6.1" class="external-link">pegboard (0.6.1)</a>,
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.14.0" class="external-link">sandpaper (0.14.0)</a>,
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.0" class="external-link">pegboard (0.7.0)</a>,
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diff --git a/08-data-frames.html b/08-data-frames.html
index 9bf5b920f..aaffc9193 100644
--- a/08-data-frames.html
+++ b/08-data-frames.html
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.14.0" class="external-link">sandpaper (0.14.0)</a>,
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@@ -1373,7 +1373,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://swcarpentry.github.io/python-novice-gapminder/08-data-frames.html",
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diff --git a/09-plotting.html b/09-plotting.html
index 434f20f8a..de0cb3e4e 100644
--- a/09-plotting.html
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-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.13.3" class="external-link">sandpaper (0.13.3)</a>,
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.14.0" class="external-link">sandpaper (0.14.0)</a>,
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@@ -927,7 +927,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://swcarpentry.github.io/python-novice-gapminder/09-plotting.html",
   "dateCreated": "2016-01-07",
   "dateModified": "2023-06-08",
-  "datePublished": "2023-09-26"
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diff --git a/10-lunch.html b/10-lunch.html
index f4a18d141..aa4d64b08 100644
--- a/10-lunch.html
+++ b/10-lunch.html
@@ -433,8 +433,8 @@ <h1>Lunch</h1>
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.14.0" class="external-link">sandpaper (0.14.0)</a>,
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@@ -457,7 +457,7 @@ <h1>Lunch</h1>
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diff --git a/11-lists.html b/11-lists.html
index 76899f5b8..80b1d3335 100644
--- a/11-lists.html
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@@ -665,7 +665,7 @@ <h4 class="accordion-header" id="headingSolution1">
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 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
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-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
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 <div class="accordion-body">
 <p>The list <code>values[start:stop]</code> has up to
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@@ -748,7 +748,7 @@ <h4 class="accordion-header" id="headingSolution3">
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   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
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 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>
 <a href="https://docs.python.org/3/library/stdtypes.html#list" class="external-link"><code>list('some string')</code></a>
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-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
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 <p>The program prints <code>m</code>.</p>
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 <p>The program prints</p>
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   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
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 <p>Program A prints</p>
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   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
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 <p>Program A prints</p>
 <div class="codewrapper">
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         <p><a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">Template licensed under CC-BY 4.0</a> by <a href="https://carpentries.org" class="external-link">The Carpentries</a></p>
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.14.0" class="external-link">sandpaper (0.14.0)</a>,
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@@ -1106,7 +1106,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
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 <p>An IndentationError is a syntax error. Programs with syntax errors
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   </h4>
 </button>
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 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
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   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
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 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
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 </button>
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   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
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 <div class="codewrapper sourceCode" id="cb27">
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   </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
 <div class="accordion-body">
 <ul><li>Python variable names are case sensitive: <code>number</code> and
 <code>Number</code> refer to different variables.</li>
@@ -1035,7 +1035,7 @@ <h4 class="accordion-header" id="headingSolution10">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
 <div class="accordion-body">
 <p>This list has 4 elements and the index to access the last element in
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@@ -1108,8 +1108,8 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.14.0" class="external-link">sandpaper (0.14.0)</a>,
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.0" class="external-link">pegboard (0.7.0)</a>,
       and <a href="https://github.com/carpentries/varnish/tree/0.3.0" class="external-link">varnish (0.3.0)</a>.</p>
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@@ -1132,7 +1132,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://swcarpentry.github.io/python-novice-gapminder/12-for-loops.html",
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diff --git a/13-conditionals.html b/13-conditionals.html
index 3ced775d6..6f9232498 100644
--- a/13-conditionals.html
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   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
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 <div class="codewrapper">
 <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -801,7 +801,7 @@ <h4 class="accordion-header" id="headingSolution2">
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 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
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   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
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@@ -900,7 +900,7 @@ <h4 class="accordion-header" id="headingSolution4">
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   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
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@@ -1008,8 +1008,8 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
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-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.13.3" class="external-link">sandpaper (0.13.3)</a>,
-        <a href="https://github.com/carpentries/pegboard/tree/0.6.1" class="external-link">pegboard (0.6.1)</a>,
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.14.0" class="external-link">sandpaper (0.14.0)</a>,
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@@ -1032,7 +1032,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://swcarpentry.github.io/python-novice-gapminder/13-conditionals.html",
   "dateCreated": "2016-01-07",
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 <ol style="list-style-type: decimal"><li><p>The problem with the example is that the function
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 <ol style="list-style-type: decimal"><li>The average GDP for Japan across the years reported for the 1980s is
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-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
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-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
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 		</footer></div> <!-- / div.container -->
@@ -455,7 +455,7 @@ <h1>Contributor Code of Conduct</h1>
   "identifier": "https://swcarpentry.github.io/python-novice-gapminder/CODE_OF_CONDUCT.html",
   "dateCreated": "2016-01-07",
   "dateModified": "2023-05-02",
-  "datePublished": "2023-09-26"
+  "datePublished": "2023-10-03"
 }
 
   </script><script>
diff --git a/LICENSE.html b/LICENSE.html
index 9937cc138..02ec4496c 100644
--- a/LICENSE.html
+++ b/LICENSE.html
@@ -482,8 +482,8 @@ <h1>Licenses</h1>
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p><a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">Template licensed under CC-BY 4.0</a> by <a href="https://carpentries.org" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.13.3" class="external-link">sandpaper (0.13.3)</a>,
-        <a href="https://github.com/carpentries/pegboard/tree/0.6.1" class="external-link">pegboard (0.6.1)</a>,
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.14.0" class="external-link">sandpaper (0.14.0)</a>,
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.0" class="external-link">pegboard (0.7.0)</a>,
       and <a href="https://github.com/carpentries/varnish/tree/0.3.0" class="external-link">varnish (0.3.0)</a>.</p>
 			</div>
 		</footer></div> <!-- / div.container -->
@@ -506,7 +506,7 @@ <h1>Licenses</h1>
   "identifier": "https://swcarpentry.github.io/python-novice-gapminder/LICENSE.html",
   "dateCreated": "2016-01-07",
   "dateModified": "2023-05-02",
-  "datePublished": "2023-09-26"
+  "datePublished": "2023-10-03"
 }
 
   </script><script>
diff --git a/aio.html b/aio.html
index 82e62a7b2..f1a5b45f5 100644
--- a/aio.html
+++ b/aio.html
@@ -833,7 +833,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>After creating the necessary tabs, you can drag one of the tabs to
 the center of a panel to move the tab to the panel; next you can
@@ -905,7 +905,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>Command mode has a grey border and Edit mode has a blue border. Use
 <kbd>Esc</kbd> and <kbd>Return</kbd> to switch between modes. You need
@@ -1096,7 +1096,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>This challenge integrates both the numbered list and bullet list.
 Note that the bullet list is indented 2 spaces so that it is inline with
@@ -1139,7 +1139,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p>Python returns the output of the last calculation.</p>
 <div class="codewrapper sourceCode" id="cb12">
@@ -1184,7 +1184,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p>The Python code gets treated like Markdown text. The lines appear as
 if they are part of one contiguous paragraph. This could be useful to
@@ -1224,7 +1224,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>The notebook shows the equation as it would be rendered from LaTeX
 equation syntax. The dollar sign, <code>$</code>, is used to tell
@@ -1606,7 +1606,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper">
 <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1653,7 +1653,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb20">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1695,7 +1695,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>Numbers are not strings or sequences and Python will raise an error
 if you try to perform an index operation on a number. In the <a href="03-types-conversion.html">next lesson on types and type
@@ -1755,7 +1755,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p><code>minutes</code> is better because <code>min</code> might mean
 something like “minimum” (and actually is an existing built-in function
@@ -1789,7 +1789,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <div class="codewrapper">
 <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1841,7 +1841,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Solutions
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
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 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>
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   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>It is a floating-point number (often abbreviated “float”). It is
 possible to find out by using the built-in function
@@ -2242,7 +2242,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
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 <div class="accordion-body">
 <p>It is a float: integers are automatically converted to floats as
 necessary.</p>
@@ -2292,7 +2292,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>The answers to the questions are:</p>
 <ol style="list-style-type: decimal">
@@ -2352,7 +2352,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p>We want the minimum number of surveys that reaches everyone once,
 which is the rounded up value of
@@ -2438,7 +2438,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p>What do you expect this program to do? It would not be so
 unreasonable to expect the Python 3 <code>int</code> command to convert
@@ -2511,7 +2511,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>Answer: 1 and 4</p>
 </div>
@@ -2560,7 +2560,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
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 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>Standard mathematics treatments typically use <code>i</code> to
@@ -2997,7 +2997,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
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 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>Order of operations:</li>
@@ -3047,7 +3047,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
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 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb30">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -3115,7 +3115,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p><code>max</code> and <code>min</code> return TypeErrors in this case
 because the correct number of parameters was not supplied. If it just
@@ -3148,7 +3148,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p><code>name[len(name) - 1]</code></p>
 </div>
@@ -6268,7 +6268,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
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 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb22">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -6305,7 +6305,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>The list <code>values[start:stop]</code> has up to
 <code>stop - start</code> elements. For example,
@@ -6353,7 +6353,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
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 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>
@@ -6406,7 +6406,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <p>The program prints <code>m</code>.</p>
 <ol style="list-style-type: decimal">
@@ -6456,7 +6456,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <p>The program prints</p>
 <div class="codewrapper sourceCode" id="cb27">
@@ -6504,7 +6504,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
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 <div class="accordion-body">
 <div class="codewrapper">
 <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -6555,7 +6555,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
 <div class="accordion-body">
 <p>Program A prints</p>
 <div class="codewrapper">
@@ -6616,7 +6616,7 @@ <h4 class="accordion-header" id="headingSolution8">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
 <div class="accordion-body">
 <p>Program A prints</p>
 <div class="codewrapper">
@@ -6938,7 +6938,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>An IndentationError is a syntax error. Programs with syntax errors
 cannot be started. A program with a runtime error will start but an
@@ -6975,7 +6975,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <table class="table">
 <thead><tr class="header">
@@ -7046,7 +7046,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
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@@ -7090,7 +7090,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
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 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb20">
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@@ -7132,7 +7132,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
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 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb22">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -7175,7 +7175,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb24">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -7214,7 +7214,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb25">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -7260,7 +7260,7 @@ <h4 class="accordion-header" id="headingSolution8">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb27">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -7316,7 +7316,7 @@ <h4 class="accordion-header" id="headingSolution9">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
 <div class="accordion-body">
 <ul>
 <li>Python variable names are case sensitive: <code>number</code> and
@@ -7373,7 +7373,7 @@ <h4 class="accordion-header" id="headingSolution10">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
 <div class="accordion-body">
 <p>This list has 4 elements and the index to access the last element in
 the list is <code>3</code>.</p>
@@ -7801,7 +7801,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
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   </h4>
 </button>
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 </button>
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+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>1 is not matched by the glob.</p>
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   </h4>
 </button>
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+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <p>This solution builds a useful legend by using the <a href="https://docs.python.org/3/library/stdtypes.html#str.split" class="external-link">string
 <code>split</code> method</a> to extract the <code>region</code> from
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-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
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 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li><p>The problem with the example is that the function
@@ -8816,7 +8816,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
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@@ -8861,7 +8861,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
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@@ -8927,7 +8927,7 @@ <h4 class="accordion-header" id="headingSolution6">
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   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li><code>2003/2/1</code></li>
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   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
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@@ -9101,7 +9101,7 @@ <h4 class="accordion-header" id="headingSolution8">
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   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>The average GDP for Japan across the years reported for the 1980s is
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   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
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   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
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@@ -9819,7 +9819,7 @@ <h4 class="accordion-header" id="headingSolution2">
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 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>Here’s one solution.</p>
 <div class="codewrapper sourceCode" id="cb9">
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.14.0" class="external-link">sandpaper (0.14.0)</a>,
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 <p>This challenge integrates both the numbered list and bullet list.
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 <p>The notebook shows the equation as it would be rendered from LaTeX
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 <p>Numbers are not strings or sequences and Python will raise an error
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 <p><code>minutes</code> is better because <code>min</code> might mean
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 <ol style="list-style-type: decimal"><li>
 <code>species_name[2:8]</code> returns the substring
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 <p>It is a floating-point number (often abbreviated “float”). It is
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 <p>It is a float: integers are automatically converted to floats as
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 <p>The answers to the questions are:</p>
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 <p>We want the minimum number of surveys that reaches everyone once,
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 <p>What do you expect this program to do? It would not be so
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 <ol style="list-style-type: decimal"><li>Standard mathematics treatments typically use <code>i</code> to
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 <ol style="list-style-type: decimal"><li>Order of operations:</li>
 <li><code>1.1 * radiance = 1.1</code></li>
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 <p><code>max</code> and <code>min</code> return TypeErrors in this case
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 <p><code>name[len(name) - 1]</code></p>
 </div>
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 <p>The program prints <code>m</code>.</p>
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 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
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-<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
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 <ul><li>Python variable names are case sensitive: <code>number</code> and
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 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
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   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
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 <div class="accordion-body">
 <p>1 is not matched by the glob.</p>
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--- a/instructor/LICENSE.html
+++ b/instructor/LICENSE.html
@@ -484,8 +484,8 @@ <h1>Licenses</h1>
         <p>Materials licensed under <a href="../LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p><a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">Template licensed under CC-BY 4.0</a> by <a href="https://carpentries.org" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.13.3" class="external-link">sandpaper (0.13.3)</a>,
-        <a href="https://github.com/carpentries/pegboard/tree/0.6.1" class="external-link">pegboard (0.6.1)</a>,
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.14.0" class="external-link">sandpaper (0.14.0)</a>,
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.0" class="external-link">pegboard (0.7.0)</a>,
       and <a href="https://github.com/carpentries/varnish/tree/0.3.0" class="external-link">varnish (0.3.0)</a>.</p>
 			</div>
 		</footer></div> <!-- / div.container -->
@@ -508,7 +508,7 @@ <h1>Licenses</h1>
   "identifier": "https://swcarpentry.github.io/python-novice-gapminder/instructor/LICENSE.html",
   "dateCreated": "2016-01-07",
   "dateModified": "2023-05-02",
-  "datePublished": "2023-09-26"
+  "datePublished": "2023-10-03"
 }
 
   </script><script>
diff --git a/instructor/aio.html b/instructor/aio.html
index df88d39c7..1b17f621c 100644
--- a/instructor/aio.html
+++ b/instructor/aio.html
@@ -830,7 +830,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>After creating the necessary tabs, you can drag one of the tabs to
 the center of a panel to move the tab to the panel; next you can
@@ -902,7 +902,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>Command mode has a grey border and Edit mode has a blue border. Use
 <kbd>Esc</kbd> and <kbd>Return</kbd> to switch between modes. You need
@@ -1093,7 +1093,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>This challenge integrates both the numbered list and bullet list.
 Note that the bullet list is indented 2 spaces so that it is inline with
@@ -1136,7 +1136,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p>Python returns the output of the last calculation.</p>
 <div class="codewrapper sourceCode" id="cb12">
@@ -1181,7 +1181,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p>The Python code gets treated like Markdown text. The lines appear as
 if they are part of one contiguous paragraph. This could be useful to
@@ -1221,7 +1221,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>The notebook shows the equation as it would be rendered from LaTeX
 equation syntax. The dollar sign, <code>$</code>, is used to tell
@@ -1604,7 +1604,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper">
 <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1651,7 +1651,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb20">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1693,7 +1693,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>Numbers are not strings or sequences and Python will raise an error
 if you try to perform an index operation on a number. In the <a href="03-types-conversion.html">next lesson on types and type
@@ -1753,7 +1753,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p><code>minutes</code> is better because <code>min</code> might mean
 something like “minimum” (and actually is an existing built-in function
@@ -1787,7 +1787,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <div class="codewrapper">
 <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1839,7 +1839,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Solutions
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
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 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>
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   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>It is a floating-point number (often abbreviated “float”). It is
 possible to find out by using the built-in function
@@ -2241,7 +2241,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>It is a float: integers are automatically converted to floats as
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@@ -2291,7 +2291,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>The answers to the questions are:</p>
 <ol style="list-style-type: decimal">
@@ -2351,7 +2351,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p>We want the minimum number of surveys that reaches everyone once,
 which is the rounded up value of
@@ -2437,7 +2437,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p>What do you expect this program to do? It would not be so
 unreasonable to expect the Python 3 <code>int</code> command to convert
@@ -2510,7 +2510,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>Answer: 1 and 4</p>
 </div>
@@ -2559,7 +2559,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
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 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>Standard mathematics treatments typically use <code>i</code> to
@@ -2997,7 +2997,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>Order of operations:</li>
@@ -3047,7 +3047,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb30">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -3115,7 +3115,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p><code>max</code> and <code>min</code> return TypeErrors in this case
 because the correct number of parameters was not supplied. If it just
@@ -3148,7 +3148,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p><code>name[len(name) - 1]</code></p>
 </div>
@@ -6296,7 +6296,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
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 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb22">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -6333,7 +6333,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>The list <code>values[start:stop]</code> has up to
 <code>stop - start</code> elements. For example,
@@ -6381,7 +6381,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
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 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>
@@ -6434,7 +6434,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <p>The program prints <code>m</code>.</p>
 <ol style="list-style-type: decimal">
@@ -6484,7 +6484,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <p>The program prints</p>
 <div class="codewrapper sourceCode" id="cb27">
@@ -6532,7 +6532,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
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 <div class="accordion-body">
 <div class="codewrapper">
 <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -6583,7 +6583,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
 <div class="accordion-body">
 <p>Program A prints</p>
 <div class="codewrapper">
@@ -6644,7 +6644,7 @@ <h4 class="accordion-header" id="headingSolution8">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
 <div class="accordion-body">
 <p>Program A prints</p>
 <div class="codewrapper">
@@ -6967,7 +6967,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>An IndentationError is a syntax error. Programs with syntax errors
 cannot be started. A program with a runtime error will start but an
@@ -7004,7 +7004,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
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 <div class="accordion-body">
 <table class="table">
 <thead><tr class="header">
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   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
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 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb18">
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   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
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 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb20">
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   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
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 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb22">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -7204,7 +7204,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb24">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -7243,7 +7243,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb25">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -7289,7 +7289,7 @@ <h4 class="accordion-header" id="headingSolution8">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb27">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -7345,7 +7345,7 @@ <h4 class="accordion-header" id="headingSolution9">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
 <div class="accordion-body">
 <ul>
 <li>Python variable names are case sensitive: <code>number</code> and
@@ -7402,7 +7402,7 @@ <h4 class="accordion-header" id="headingSolution10">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
 <div class="accordion-body">
 <p>This list has 4 elements and the index to access the last element in
 the list is <code>3</code>.</p>
@@ -7831,7 +7831,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper">
 <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -7880,7 +7880,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
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@@ -7979,7 +7979,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
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@@ -8233,7 +8233,7 @@ <h4 class="accordion-header" id="headingSolution1">
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   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>1 is not matched by the glob.</p>
 </div>
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   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
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@@ -8317,7 +8317,7 @@ <h4 class="accordion-header" id="headingSolution3">
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   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <p>This solution builds a useful legend by using the <a href="https://docs.python.org/3/library/stdtypes.html#str.split" class="external-link">string
 <code>split</code> method</a> to extract the <code>region</code> from
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   </h4>
 </button>
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   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
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   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li><p>The problem with the example is that the function
@@ -8849,7 +8849,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
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@@ -8894,7 +8894,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
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@@ -8960,7 +8960,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li><code>2003/2/1</code></li>
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   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
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 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -9134,7 +9134,7 @@ <h4 class="accordion-header" id="headingSolution8">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>The average GDP for Japan across the years reported for the 1980s is
@@ -9245,7 +9245,7 @@ <h4 class="accordion-header" id="headingSolution9">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
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   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
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@@ -9854,7 +9854,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>Here’s one solution.</p>
 <div class="codewrapper sourceCode" id="cb9">
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.14.0" class="external-link">sandpaper (0.14.0)</a>,
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.0" class="external-link">pegboard (0.7.0)</a>,
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.14.0" class="external-link">sandpaper (0.14.0)</a>,
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.14.0" class="external-link">sandpaper (0.14.0)</a>,
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.14.0" class="external-link">sandpaper (0.14.0)</a>,
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@@ -654,8 +654,8 @@ <h3 class="callout-title">Prerequisites<a class="anchor" aria-label="anchor" hre
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.14.0" class="external-link">sandpaper (0.14.0)</a>,
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.0" class="external-link">pegboard (0.7.0)</a>,
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.14.0" class="external-link">sandpaper (0.14.0)</a>,
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index c33eb8932..a6bc393e1 100644
--- a/instructor/profiles.html
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@@ -383,8 +383,8 @@ <h1>Learner Profiles</h1>
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.14.0" class="external-link">sandpaper (0.14.0)</a>,
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-  "dateModified": "2023-09-26",
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 }
 
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diff --git a/instructor/reference.html b/instructor/reference.html
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diff --git a/key-points.html b/key-points.html
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--- a/key-points.html
+++ b/key-points.html
@@ -681,8 +681,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
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-  "dateModified": "2023-09-26",
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diff --git a/pkgdown.yml b/pkgdown.yml
index 327bfa248..c9cb3c3ae 100644
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index 6211b7907..b03824aa1 100644
--- a/profiles.html
+++ b/profiles.html
@@ -383,8 +383,8 @@ <h1>Learner Profiles</h1>
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-  "dateModified": "2023-09-26",
-  "datePublished": "2023-09-26"
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 }
 
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diff --git a/reference.html b/reference.html
index 8d264f9cc..cec238585 100644
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@@ -815,8 +815,8 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
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@@ -839,7 +839,7 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
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