s2n03-challenge1-top-referrers.ipynb

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    "# Optional Challenge 1 - Top Referrers\n",
    "\n",
    "We at CashBox believe that referrers are a great asset to our product.  We'd like to know the top referrers with verified email addresses, so that we can send them some motivational emails. \n",
    "\n",
    "Currently, anyone with **5 or more** referrals is considered a top referrer.\n",
    "\n",
    "When you have completed the challenge, press the `Run Tests` button.\n",
    "\n",
    "*Need a little extra help? Check out the [Treehouse Forum](https://teamtreehouse.com/community?instruction=4552).*"
   ]
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   "source": [
    "# Setup\n",
    "import os\n",
    "import pandas as pd\n",
    "\n",
    "from tests.helpers import check\n",
    "\n",
    "pd.options.display.max_rows = 10\n",
    "users = pd.read_csv(os.path.join('data', 'users.csv'), index_col=0)\n",
    "# Pop out a quick sanity check\n",
    "len(users)"
   ]
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       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>first_name</th>\n",
       "      <th>last_name</th>\n",
       "      <th>email</th>\n",
       "      <th>email_verified</th>\n",
       "      <th>signup_date</th>\n",
       "      <th>referral_count</th>\n",
       "      <th>balance</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>aaron</th>\n",
       "      <td>Aaron</td>\n",
       "      <td>Davis</td>\n",
       "      <td>aaron6348@gmail.com</td>\n",
       "      <td>True</td>\n",
       "      <td>2018-08-31</td>\n",
       "      <td>6</td>\n",
       "      <td>18.14</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>acook</th>\n",
       "      <td>Anthony</td>\n",
       "      <td>Cook</td>\n",
       "      <td>cook@gmail.com</td>\n",
       "      <td>True</td>\n",
       "      <td>2018-05-12</td>\n",
       "      <td>2</td>\n",
       "      <td>55.45</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>adam.saunders</th>\n",
       "      <td>Adam</td>\n",
       "      <td>Saunders</td>\n",
       "      <td>adam@gmail.com</td>\n",
       "      <td>False</td>\n",
       "      <td>2018-05-29</td>\n",
       "      <td>3</td>\n",
       "      <td>72.12</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>adrian</th>\n",
       "      <td>Adrian</td>\n",
       "      <td>Fang</td>\n",
       "      <td>adrian.fang@teamtreehouse.com</td>\n",
       "      <td>True</td>\n",
       "      <td>2018-04-28</td>\n",
       "      <td>3</td>\n",
       "      <td>30.01</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>adrian.blair</th>\n",
       "      <td>Adrian</td>\n",
       "      <td>Blair</td>\n",
       "      <td>adrian9335@gmail.com</td>\n",
       "      <td>True</td>\n",
       "      <td>2018-06-16</td>\n",
       "      <td>7</td>\n",
       "      <td>25.85</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>wilson</th>\n",
       "      <td>Robert</td>\n",
       "      <td>Wilson</td>\n",
       "      <td>robert@yahoo.com</td>\n",
       "      <td>False</td>\n",
       "      <td>2018-05-16</td>\n",
       "      <td>5</td>\n",
       "      <td>59.75</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>wking</th>\n",
       "      <td>Wanda</td>\n",
       "      <td>King</td>\n",
       "      <td>wanda.king@holt.com</td>\n",
       "      <td>True</td>\n",
       "      <td>2018-06-01</td>\n",
       "      <td>2</td>\n",
       "      <td>67.08</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>wright3590</th>\n",
       "      <td>Jacqueline</td>\n",
       "      <td>Wright</td>\n",
       "      <td>jacqueline.wright@gonzalez.com</td>\n",
       "      <td>True</td>\n",
       "      <td>2018-02-08</td>\n",
       "      <td>6</td>\n",
       "      <td>18.48</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>young</th>\n",
       "      <td>Jessica</td>\n",
       "      <td>Young</td>\n",
       "      <td>jessica4028@yahoo.com</td>\n",
       "      <td>True</td>\n",
       "      <td>2018-07-17</td>\n",
       "      <td>4</td>\n",
       "      <td>75.39</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>zachary.neal</th>\n",
       "      <td>Zachary</td>\n",
       "      <td>Neal</td>\n",
       "      <td>zneal@gmail.com</td>\n",
       "      <td>True</td>\n",
       "      <td>2018-07-26</td>\n",
       "      <td>1</td>\n",
       "      <td>39.90</td>\n",
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       "  </tbody>\n",
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       "<p>475 rows × 7 columns</p>\n",
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       "               first_name last_name                           email  \\\n",
       "aaron               Aaron     Davis             aaron6348@gmail.com   \n",
       "acook             Anthony      Cook                  cook@gmail.com   \n",
       "adam.saunders        Adam  Saunders                  adam@gmail.com   \n",
       "adrian             Adrian      Fang   adrian.fang@teamtreehouse.com   \n",
       "adrian.blair       Adrian     Blair            adrian9335@gmail.com   \n",
       "...                   ...       ...                             ...   \n",
       "wilson             Robert    Wilson                robert@yahoo.com   \n",
       "wking               Wanda      King             wanda.king@holt.com   \n",
       "wright3590     Jacqueline    Wright  jacqueline.wright@gonzalez.com   \n",
       "young             Jessica     Young           jessica4028@yahoo.com   \n",
       "zachary.neal      Zachary      Neal                 zneal@gmail.com   \n",
       "\n",
       "               email_verified signup_date  referral_count  balance  \n",
       "aaron                    True  2018-08-31               6    18.14  \n",
       "acook                    True  2018-05-12               2    55.45  \n",
       "adam.saunders           False  2018-05-29               3    72.12  \n",
       "adrian                   True  2018-04-28               3    30.01  \n",
       "adrian.blair             True  2018-06-16               7    25.85  \n",
       "...                       ...         ...             ...      ...  \n",
       "wilson                  False  2018-05-16               5    59.75  \n",
       "wking                    True  2018-06-01               2    67.08  \n",
       "wright3590               True  2018-02-08               6    18.48  \n",
       "young                    True  2018-07-17               4    75.39  \n",
       "zachary.neal             True  2018-07-26               1    39.90  \n",
       "\n",
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   "source": [
    "## CHALLENGE - Find the top referrers ##\n",
    "# TODO: Select users that have a referral count greater than or equal to 5 and have verified emails\n",
    "\n",
    "# Return the dataframe\n",
    "users"
   ]
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     "data": {
      "text/markdown": [
       "```\n",
       "FFF\n",
       "======================================================================\n",
       "FAIL: test_email_verified (tests.helpers.TestReferralCounts)\n",
       "----------------------------------------------------------------------\n",
       "Traceback (most recent call last):\n",
       "  File \"/Users/craig/Code/scripting/intro-to-pandas/tests/test_cells.py\", line 26, in test_email_verified\n",
       "    \"I found some emails that weren't verified, are you sure you limited it by verified only?\")\n",
       "AssertionError: 0 != 86 : I found some emails that weren't verified, are you sure you limited it by verified only?\n",
       "\n",
       "======================================================================\n",
       "FAIL: test_referral_counts (tests.helpers.TestReferralCounts)\n",
       "----------------------------------------------------------------------\n",
       "Traceback (most recent call last):\n",
       "  File \"/Users/craig/Code/scripting/intro-to-pandas/tests/test_cells.py\", line 31, in test_referral_counts\n",
       "    \"I found some referral counts that were less than 5. Check your condition.\")\n",
       "AssertionError: 0 != 300 : I found some referral counts that were less than 5. Check your condition.\n",
       "\n",
       "======================================================================\n",
       "FAIL: test_total (tests.helpers.TestReferralCounts)\n",
       "----------------------------------------------------------------------\n",
       "Traceback (most recent call last):\n",
       "  File \"/Users/craig/Code/scripting/intro-to-pandas/tests/test_cells.py\", line 35, in test_total\n",
       "    \"Whoops I received a different count than I expected, make sure the last line \"\n",
       "AssertionError: 475 != 142 : Whoops I received a different count than I expected, make sure the last line is the entire resulting DataFrame (not just the head)\n",
       "\n",
       "----------------------------------------------------------------------\n",
       "Ran 3 tests in 0.006s\n",
       "\n",
       "FAILED (failures=3)\n",
       "\n",
       "```"
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    "check(__name__, 'Find the top referrers')"
   ]
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