Python_Basics.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "id": "fdab86a7",
   "metadata": {},
   "source": [
    "# Python Einführung\n",
    "Hier wollen **Python** *kennenlernen*"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "fbf4eefb",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Hallo zusammen\n"
     ]
    }
   ],
   "source": [
    "print(\"Hallo zusammen\")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "0608d19c",
   "metadata": {},
   "source": [
    "## Kommentare"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "bbbda857",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Irgendwas\n"
     ]
    }
   ],
   "source": [
    "# Dies ist ein Kommentar\n",
    "print(\"Irgendwas\")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "697211d6",
   "metadata": {},
   "source": [
    "## Einfache Datentypen"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "b59ec016",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Lovelace\n"
     ]
    }
   ],
   "source": [
    "# Variablen und Wertezuweisung\n",
    "name = \"Lovelace\"\n",
    "print(name)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "52d7d5c9",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Ada\n"
     ]
    }
   ],
   "source": [
    "# String - Zeichenketten\n",
    "first_name = \"Ada\"\n",
    "print(first_name)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "2cf9ae02",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "37\n"
     ]
    }
   ],
   "source": [
    "# integer - Ganzzahlen\n",
    "age = 37\n",
    "print(age)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "d0b016f2",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1.7123\n"
     ]
    }
   ],
   "source": [
    "# Floats - Gleitkommazahl\n",
    "size = 1.7123\n",
    "print(size)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "id": "4aad5c8f",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "True\n",
      "False\n"
     ]
    }
   ],
   "source": [
    "# Boolean - Boolscher Wert\n",
    "knows_math = True\n",
    "likes_gardening = False\n",
    "print(knows_math)\n",
    "print(likes_gardening)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "03943d24",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "str"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "type(name)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "id": "c880d8a6",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'Lovelace'"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "name"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "id": "4954e041",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "37"
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "name\n",
    "age"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "id": "c2a62cc6",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Lovelace\n",
      "37\n"
     ]
    }
   ],
   "source": [
    "print(name)\n",
    "print(age)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "id": "6cb7990a",
   "metadata": {},
   "outputs": [],
   "source": [
    "# produziert Fehler\n",
    "# print(name + age)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "id": "25bc5874",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Lovelace 37\n"
     ]
    }
   ],
   "source": [
    "print(name, age)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "93c848b4",
   "metadata": {},
   "source": [
    "## Operatoren"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "id": "cb720673",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "111"
      ]
     },
     "execution_count": 15,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "3*age"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "id": "55cefed8",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'LovelaceLovelace'"
      ]
     },
     "execution_count": 16,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "name + name"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "id": "28a9e893",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "10"
      ]
     },
     "execution_count": 19,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "5+5"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "id": "ae286373",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0.04627837837837838"
      ]
     },
     "execution_count": 20,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "size / age"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "id": "ec28b5bc",
   "metadata": {},
   "outputs": [],
   "source": [
    "number_of_articles = \"50\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 23,
   "id": "166c4fc1",
   "metadata": {},
   "outputs": [
    {
     "ename": "TypeError",
     "evalue": "unsupported operand type(s) for /: 'str' and 'int'",
     "output_type": "error",
     "traceback": [
      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[0;31mTypeError\u001b[0m                                 Traceback (most recent call last)",
      "\u001b[0;32m/tmp/ipykernel_4548/296469042.py\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0mnumber_of_articles\u001b[0m \u001b[0;34m/\u001b[0m \u001b[0;36m10\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
      "\u001b[0;31mTypeError\u001b[0m: unsupported operand type(s) for /: 'str' and 'int'"
     ]
    }
   ],
   "source": [
    "number_of_articles / 10"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "id": "9164d1cd",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "5.0"
      ]
     },
     "execution_count": 24,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "int(number_of_articles) / 10"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "id": "2d3201ee",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'Lovelace37'"
      ]
     },
     "execution_count": 25,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "name + str(age)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "1f8bc90b",
   "metadata": {},
   "source": [
    "## Funktionen und Methoden"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 27,
   "id": "99d068d6",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "8"
      ]
     },
     "execution_count": 27,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "len(name)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 29,
   "id": "92814ab8",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'LOVELACE'"
      ]
     },
     "execution_count": 29,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "name.upper()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 30,
   "id": "f5d6c1bc",
   "metadata": {},
   "outputs": [],
   "source": [
    "x = name.upper"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 31,
   "id": "32a00a65",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'LOVELACE'"
      ]
     },
     "execution_count": 31,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 34,
   "id": "e7456168",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "2"
      ]
     },
     "execution_count": 34,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "name.count(\"e\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 35,
   "id": "076a9243",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'Love is everywhere'"
      ]
     },
     "execution_count": 35,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "name.replace(\"lace\",\" is everywhere\")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "ba2bda1e",
   "metadata": {},
   "source": [
    "## Listen und Dictionaries"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 38,
   "id": "b97f65c3",
   "metadata": {},
   "outputs": [],
   "source": [
    "names = [\"Lovelace\", \"Darwin\", \"Noether\", \"Hawking\"]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 42,
   "id": "47aac4bc",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'Lovelace'"
      ]
     },
     "execution_count": 42,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "names[0]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 43,
   "id": "44871d59",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'Hawking'"
      ]
     },
     "execution_count": 43,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "names[-1]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 53,
   "id": "020b2d9b",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['Lovelace', 'Darwin']"
      ]
     },
     "execution_count": 53,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "names[:2]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 54,
   "id": "9f808198",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['Noether', 'Hawking']"
      ]
     },
     "execution_count": 54,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "names[2:]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 55,
   "id": "0eff97bf",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "['Lovelace', 'Darwin', 'Noether', 'Hawking']\n"
     ]
    }
   ],
   "source": [
    "print(names)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 61,
   "id": "8a91b862",
   "metadata": {},
   "outputs": [],
   "source": [
    "# Erster Wert ist der Schlüssel\n",
    "authors_and_birth_years = {\"Lovelace\": 1815, \n",
    "                           \"Darwin\": 1809}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 60,
   "id": "36c646fa",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "1809"
      ]
     },
     "execution_count": 60,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "authors_and_birth_years[\"Darwin\"]"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "a22b482c",
   "metadata": {},
   "source": [
    "## FOR-Schleife / FOR-Loops"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 63,
   "id": "3e6565de",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Lovelace did awesome stuff.\n",
      "Darwin did awesome stuff.\n",
      "Noether did awesome stuff.\n",
      "Hawking did awesome stuff.\n",
      "---------\n"
     ]
    }
   ],
   "source": [
    "for person in names:\n",
    "    print(person + \" did awesome stuff.\")\n",
    "print(\"---------\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 64,
   "id": "25b451ab",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Lovelace did awesome stuff.\n",
      "---------\n",
      "Darwin did awesome stuff.\n",
      "---------\n",
      "Noether did awesome stuff.\n",
      "---------\n",
      "Hawking did awesome stuff.\n",
      "---------\n"
     ]
    }
   ],
   "source": [
    "for person in names:\n",
    "    print(person + \" did awesome stuff.\")\n",
    "    print(\"---------\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 65,
   "id": "352ce96b",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "The Zen of Python, by Tim Peters\n",
      "\n",
      "Beautiful is better than ugly.\n",
      "Explicit is better than implicit.\n",
      "Simple is better than complex.\n",
      "Complex is better than complicated.\n",
      "Flat is better than nested.\n",
      "Sparse is better than dense.\n",
      "Readability counts.\n",
      "Special cases aren't special enough to break the rules.\n",
      "Although practicality beats purity.\n",
      "Errors should never pass silently.\n",
      "Unless explicitly silenced.\n",
      "In the face of ambiguity, refuse the temptation to guess.\n",
      "There should be one-- and preferably only one --obvious way to do it.\n",
      "Although that way may not be obvious at first unless you're Dutch.\n",
      "Now is better than never.\n",
      "Although never is often better than *right* now.\n",
      "If the implementation is hard to explain, it's a bad idea.\n",
      "If the implementation is easy to explain, it may be a good idea.\n",
      "Namespaces are one honking great idea -- let's do more of those!\n"
     ]
    }
   ],
   "source": [
    "import this"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "2c8474f5",
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3 (ipykernel)",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.9.13"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 5
}