week-1/1-python-intro.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Variables"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "first_variable = 30"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<class 'int'>\n"
     ]
    }
   ],
   "source": [
    "print(type(first_variable))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "30\n"
     ]
    }
   ],
   "source": [
    "print(first_variable)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [],
   "source": [
    "first_variable = \"Ada Lovelace Akademi\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Ada Lovelace Akademi\n"
     ]
    }
   ],
   "source": [
    "print(first_variable)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#### Counter"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<class 'collections.Counter'>\n"
     ]
    }
   ],
   "source": [
    "import collections\n",
    "first_variable = collections.Counter([1,1,2,2,3,4,4,4])\n",
    "print(type(first_variable))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Counter({4: 3, 1: 2, 2: 2, 3: 1})\n"
     ]
    }
   ],
   "source": [
    "print(first_variable)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#### Constants"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [],
   "source": [
    "MY_CONSTANT = 15"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Functions"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [],
   "source": [
    "def add_two_numbers(number_one, number_two):\n",
    "    total = number_one + number_two\n",
    "    print(total)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "9\n"
     ]
    }
   ],
   "source": [
    "add_two_numbers(4, 5)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {},
   "outputs": [],
   "source": [
    "def add_two_numbers(number_one, number_two):\n",
    "    total = number_one + number_two\n",
    "    return total"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "10"
      ]
     },
     "execution_count": 20,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "add_two_numbers(3, 7)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 21,
   "metadata": {},
   "outputs": [],
   "source": [
    "def add_two_numbers(number_one, number_two):\n",
    "    total = number_one + number_two"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 23,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "None\n"
     ]
    }
   ],
   "source": [
    "print(add_two_numbers(3, 7))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<class 'str'>\n"
     ]
    }
   ],
   "source": [
    "text = \"Ada Lovelace Academy\"\n",
    "print(type(text))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'ADA LOVELACE ACADEMY'"
      ]
     },
     "execution_count": 25,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "str.upper(text)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 26,
   "metadata": {},
   "outputs": [],
   "source": [
    "import math"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 27,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "16.0"
      ]
     },
     "execution_count": 27,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "math.pow(2,4)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# This is a comment\n",
    "example_string = \"This is a comment\" # variable definition\n",
    "\n",
    "\"\"\"\n",
    "text\n",
    "example\n",
    "comment\n",
    "\"\"\""
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Docstring"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 28,
   "metadata": {},
   "outputs": [],
   "source": [
    "def my_pow(number_one, number_two):\n",
    "    \"\"\"Raise a number to a arbitrary power.\n",
    "\n",
    "    :param number_one: int base number\n",
    "    :param number_two: int power to raise\n",
    "    :return: int - number raised to power of second number\n",
    "\n",
    "    \"\"\"\n",
    "    result = number_one ** number_two\n",
    "    return result"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 29,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Raise a number to a arbitrary power.\n",
      "\n",
      "    :param number_one: int base number\n",
      "    :param number_two: int power to raise\n",
      "    :return: int - number raised to power of second number\n",
      "\n",
      "    \n"
     ]
    }
   ],
   "source": [
    "print(my_pow.__doc__)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 30,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "str(object='') -> str\n",
      "str(bytes_or_buffer[, encoding[, errors]]) -> str\n",
      "\n",
      "Create a new string object from the given object. If encoding or\n",
      "errors is specified, then the object must expose a data buffer\n",
      "that will be decoded using the given encoding and error handler.\n",
      "Otherwise, returns the result of object.__str__() (if defined)\n",
      "or repr(object).\n",
      "encoding defaults to sys.getdefaultencoding().\n",
      "errors defaults to 'strict'.\n"
     ]
    }
   ],
   "source": [
    "print(str.__doc__)"
   ]
  }
 ],
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