{
 "metadata": {
  "name": "",
  "signature": "sha256:3bee186dc07a3ca04c411bfe4afddb2825c4dfdf62d23e25027b08ed1ec6281b"
 },
 "nbformat": 3,
 "nbformat_minor": 0,
 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "Given two words, print the steps in turning one word into the other, or a message that it is not possible."
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "def transmute(word1, word2):\n",
      "    if len(word1) != len(word2):\n",
      "        print \"Transmutation impossible\"\n",
      "        "
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 5
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "transmute(\"word\", \"otherword\")"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Transmutation impossible\n"
       ]
      }
     ],
     "prompt_number": 7
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "def transmute(word1, word2):\n",
      "    word3 = list(word1);\n",
      "    if len(word1) == len(word2):\n",
      "        for i in xrange(len(word2)):\n",
      "            for j in word1:\n",
      "                if word2[i] is j:\n",
      "                    word3.remove(word2[i])\n",
      "                    word3.insert(i, word2[i])\n",
      "                    print ''.join(word3)\n",
      "        if ''.join(word3) != word2:\n",
      "            print \"Transmutation impossible\"\n",
      "    else:\n",
      "        print \"Transmutation impossible\"\n",
      "        \n",
      "            "
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 38
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "transmute(\"door\", \"rood\")\n"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "rdoo\n",
        "rodo\n",
        "rodo\n",
        "rdoo\n",
        "rdoo\n",
        "rood\n"
       ]
      }
     ],
     "prompt_number": 39
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "transmute(\"door\", \"dorr\")"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "door\n",
        "door\n",
        "door\n",
        "doro\n",
        "door\n",
        "Transmutation impossible\n"
       ]
      }
     ],
     "prompt_number": 40
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "transmute(\"kitchen\", \"thicken\")"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "tkichen\n",
        "thkicen\n",
        "thikcen\n",
        "thicken\n",
        "thicken\n",
        "thicken\n",
        "thicken\n"
       ]
      }
     ],
     "prompt_number": 41
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "transmute(\"thicken\", \"kitchen\")"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "kthicen\n",
        "kithcen\n",
        "kithcen\n",
        "kitchen\n",
        "kitchen\n",
        "kitchen\n",
        "kitchen\n"
       ]
      }
     ],
     "prompt_number": 42
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [],
     "language": "python",
     "metadata": {},
     "outputs": []
    }
   ],
   "metadata": {}
  }
 ]
}