{
 "metadata": {
  "name": "",
  "signature": "sha256:65af1805536aa8ac4200804af5d4b4d0e55c2eb86d74b2cf3f31a632b3aeccf8"
 },
 "nbformat": 3,
 "nbformat_minor": 0,
 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "import re\n",
      "import random"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 1
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "WORDS = [w.strip() for w in open('/usr/share/dict/british-english').readlines() \n",
      "         if re.match(r'^[a-z]*$', w.strip())]"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 2
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "STARTING_LIVES = 10\n",
      "lives = 0"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 3
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "wrong_letters = []"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 4
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "len(WORDS)"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 5,
       "text": [
        "62856"
       ]
      }
     ],
     "prompt_number": 5
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "WORDS[30000:30010]"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 6,
       "text": [
        "['jotted',\n",
        " 'jotting',\n",
        " 'jottings',\n",
        " 'joule',\n",
        " 'joules',\n",
        " 'jounce',\n",
        " 'jounced',\n",
        " 'jounces',\n",
        " 'jouncing',\n",
        " 'journal']"
       ]
      }
     ],
     "prompt_number": 6
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "target = random.choice(WORDS)\n",
      "target"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 7,
       "text": [
        "'goitre'"
       ]
      }
     ],
     "prompt_number": 7
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "discovered = list('_' * len(target))\n",
      "discovered"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 8,
       "text": [
        "['_', '_', '_', '_', '_', '_']"
       ]
      }
     ],
     "prompt_number": 8
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "letter = input('Enter letter: ').strip().lower()[0]\n",
      "letter"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter letter: r\n"
       ]
      },
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 9,
       "text": [
        "'r'"
       ]
      }
     ],
     "prompt_number": 9
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "def find_all_explicit(string, letter):\n",
      "    locations = []\n",
      "    starting=0\n",
      "    location = string.find(letter)\n",
      "    while location > -1:\n",
      "        locations += [location]\n",
      "        starting = location + 1\n",
      "        location = string.find(letter, starting)\n",
      "    return locations"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 25
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "def find_all(string, letter):\n",
      "    return [p for p, l in enumerate(string) if l == letter]"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 26
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "find_all('happy', 'p')"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 27,
       "text": [
        "[2, 3]"
       ]
      }
     ],
     "prompt_number": 27
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "guessed_letter = 'e'\n",
      "locations = find_all(target, guessed_letter)\n",
      "for location in locations:\n",
      "    discovered[location] = guessed_letter\n",
      "discovered"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 12,
       "text": [
        "['_', '_', '_', '_', '_', 'e']"
       ]
      }
     ],
     "prompt_number": 12
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "def updated_discovered_word(discovered, guessed_letter):\n",
      "    locations = find_all(target, guessed_letter)\n",
      "    for location in locations:\n",
      "        discovered[location] = guessed_letter\n",
      "    return discovered"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 13
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "def initialise():\n",
      "    global lives, target, discovered, wrong_letters\n",
      "    lives = STARTING_LIVES\n",
      "    target = random.choice(WORDS)\n",
      "    discovered = list('_' * len(target))\n",
      "    wrong_letters = []"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 14
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "def do_turn():\n",
      "    global discovered, lives, wrong_letters\n",
      "    print('Word:', ' '.join(discovered), ' : Lives =', lives, ', wrong guesses:', ' '.join(sorted(wrong_letters)))\n",
      "    guess = input('Enter letter: ').strip().lower()[0]\n",
      "    if guess in target:\n",
      "        updated_discovered_word(discovered, guess)\n",
      "    else:\n",
      "        lives -= 1\n",
      "        if guess not in wrong_letters:\n",
      "            wrong_letters += [guess]"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 15
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "def play_game():\n",
      "    global discovered, lives\n",
      "    initialise()\n",
      "    game_finished = False\n",
      "    do_turn()\n",
      "    while not game_finished:\n",
      "        if '_' not in discovered:\n",
      "            print('You won! The word was', target)\n",
      "            game_finished = True\n",
      "        elif lives <= 0:\n",
      "            print('You lost. The word was', target)\n",
      "            game_finished = True\n",
      "        else:\n",
      "            do_turn()"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 16
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "play_game()"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Word: _ _ _ _  : Lives = 10 , wrong guesses: \n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter letter: e\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Word: _ _ _ e  : Lives = 10 , wrong guesses: \n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter letter: s\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Word: _ _ _ e  : Lives = 9 , wrong guesses: s\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter letter: a\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Word: _ _ _ e  : Lives = 8 , wrong guesses: a s\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter letter: o\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Word: _ _ _ e  : Lives = 7 , wrong guesses: a o s\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter letter: i\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Word: _ i _ e  : Lives = 7 , wrong guesses: a o s\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter letter: t\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Word: _ i _ e  : Lives = 6 , wrong guesses: a o s t\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter letter: n\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Word: _ i _ e  : Lives = 5 , wrong guesses: a n o s t\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter letter: m\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Word: _ i _ e  : Lives = 4 , wrong guesses: a m n o s t\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter letter: l\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Word: _ i _ e  : Lives = 3 , wrong guesses: a l m n o s t\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter letter: c\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Word: _ i _ e  : Lives = 2 , wrong guesses: a c l m n o s t\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter letter: d\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Word: _ i d e  : Lives = 2 , wrong guesses: a c l m n o s t\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter letter: h\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Word: _ i d e  : Lives = 1 , wrong guesses: a c h l m n o s t\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter letter: b\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "You lost. The word was ride\n"
       ]
      }
     ],
     "prompt_number": 20
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 17
    }
   ],
   "metadata": {}
  }
 ]
}