My first attempt at ipython

first_ipython.ipynb

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   "cells": [
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "#Welcome\n",
      "This is my first ipython notebook.  Do you like it?  Here is some python code.\n"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "a = [1,2,3,4]\n"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 4
    },
    {
     "cell_type": "code",
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     "input": [
      "a"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "pyout",
       "prompt_number": 5,
       "text": [
        "[1, 2, 3, 4]"
       ]
      }
     ],
     "prompt_number": 5
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "b = 7"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 6
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "a[2]\n"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "pyout",
       "prompt_number": 3,
       "text": [
        "3"
       ]
      }
     ],
     "prompt_number": 3
    },
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     "cell_type": "code",
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     "input": [],
     "language": "python",
     "metadata": {},
     "outputs": []
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