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 "metadata": {
  "name": "",
  "signature": "sha256:96b94d1de1d6823d9a78b989a8d10ff64a07b6baa9628b3106f6b5533559f1a7"
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 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "# Assignment Operators"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "- **Author:** [Chris Albon](http://www.chrisalbon.com/), [@ChrisAlbon](https://twitter.com/chrisalbon)\n",
      "- **Date:** -\n",
      "- **Repo:** [Python 3 code snippets for data science](https://github.com/chrisalbon/code_py)\n",
      "- **Note:** -"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "### Create some variables"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "a = 2\n",
      "b = 1\n",
      "c = 0\n",
      "d = 3"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 41
    },
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "### Assigns values from right side to left side"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "c = a + b\n",
      "c"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 42,
       "text": [
        "3"
       ]
      }
     ],
     "prompt_number": 42
    },
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "### Add right to the left and assign the result to left (c = a + c)"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "c += a\n",
      "c"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 43,
       "text": [
        "5"
       ]
      }
     ],
     "prompt_number": 43
    },
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "### Subtract right from the left and assign the result to left (c = a - c)"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "c -= a\n",
      "c"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 44,
       "text": [
        "3"
       ]
      }
     ],
     "prompt_number": 44
    },
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "### Multiply right with the left and assign the result to left (c = a * c)"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "c *= a\n",
      "c"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 45,
       "text": [
        "6"
       ]
      }
     ],
     "prompt_number": 45
    },
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "### Divide left with the right and assign the result to left (c = c / a)"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "c /= a\n",
      "c"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 46,
       "text": [
        "3.0"
       ]
      }
     ],
     "prompt_number": 46
    },
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "### Takes modulus using two operands and assign the result to left (a = d % a)"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "d %= a\n",
      "d"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 47,
       "text": [
        "1"
       ]
      }
     ],
     "prompt_number": 47
    },
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "### Exponential (power) calculation on operators and assign value to the left (d = d ^ a)"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "d **= a\n",
      "d"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 48,
       "text": [
        "1"
       ]
      }
     ],
     "prompt_number": 48
    },
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "### Floor division on operators and assign value to the left (d = d // a)"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "d //= a\n",
      "d"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 24,
       "text": [
        "0"
       ]
      }
     ],
     "prompt_number": 24
    }
   ],
   "metadata": {}
  }
 ]
}