{
 "metadata": {
  "name": "ch9"
 },
 "nbformat": 3,
 "nbformat_minor": 0,
 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "heading",
     "level": 1,
     "metadata": {},
     "source": "CHAPTER 9. : MORE STRUCTURES"
    },
    {
     "cell_type": "heading",
     "level": 3,
     "metadata": {},
     "source": "example 9.1 page no :90\n"
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "'''\nexample 9.1 page no :90\n'''\n\nclass Time:\n    def __init__(self,h,m,s):\n        self.hour = h\n        self.minute = m\n        self.second = s\n\ndef printTime(t):\n    print t.hour , \":\" , t.minute , \":\" , t.second\n    print \"Time is \" , t.hour , \" hour \" , t.minute , \" minutes \" , t.second \n\nt = Time( 11, 59, 3.14159 )\nprintTime(t)",
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": "11 : 59 : 3.14159\nTime is  11  hour  59  minutes  3.14159\n"
      }
     ],
     "prompt_number": 1
    },
    {
     "cell_type": "heading",
     "level": 3,
     "metadata": {},
     "source": "example 9.2 page no : 91\n"
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "'''\nexample 9.2 page no : 91\n'''\n\nclass Time:\n    def __init__(self,h,m,s):\n        self.hour = h\n        self.minute = m\n        self.second = s\n\ndef printTime(t):\n    print t.hour , \":\" , t.minute , \":\" , t.second\n    print \"Time is \" , t.hour , \" hour \" , t.minute , \" minutes \" , t.second \n\n\ndef after(time1,time2):\n    if (time1.hour > time2.hour):\n        return True\n    if (time1.hour < time2.hour): \n        return False;\n    if (time1.minute > time2.minute):\n        return True\n    if (time1.minute < time2.minute): \n        return False;\n    if (time1.second > time2.second): \n        return True\n    return False;\n\nt1 = Time( 11, 59, 3.14159 )\nt2 = Time( 12, 42, 3.234 )\nprint after(t1,t2)\n\n",
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": "False\n"
      }
     ],
     "prompt_number": 2
    },
    {
     "cell_type": "heading",
     "level": 3,
     "metadata": {},
     "source": "example 9.3 page no : 91\n"
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "'''\nexample 9.3 page no : 91\nincorrect version\n'''\nclass Time:\n    def __init__(self,h,m,s):\n        self.hour = h\n        self.minute = m\n        self.second = s\n\ndef printTime(t):\n    print t.hour , \":\" , t.minute , \":\" , t.second\n    print \"Time is \" , t.hour , \" hour \" , t.minute , \" minutes \" , t.second \n\n\n\ndef addTime(t1,t2):\n    hour = t1.hour + t2.hour;\n    minute = t1.minute + t2.minute;\n    second = t1.second + t2.second;\n    return Time(hour,minute,second)\n\nc = Time( 9, 14, 30.0 )\nb = Time ( 3, 35, 0.0 )\ndoneTime = addTime (c, b);\nprintTime(doneTime)",
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": "12 : 49 : 30.0\nTime is  12  hour  49  minutes  30.0\n"
      }
     ],
     "prompt_number": 3
    },
    {
     "cell_type": "heading",
     "level": 3,
     "metadata": {},
     "source": "example 9.4 page no : 92\n"
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "'''\nexample 9.4 page no : 92\nincorrect version\n'''\nclass Time:\n    def __init__(self,h,m,s):\n        self.hour = h\n        self.minute = m\n        self.second = s\n\ndef printTime(t):\n    print t.hour , \":\" , t.minute , \":\" , t.second\n    print \"Time is \" , t.hour , \" hour \" , t.minute , \" minutes \" , t.second \n\n\n\ndef addTime(t1,t2):\n    hour = t1.hour + t2.hour;\n    minute = t1.minute + t2.minute;\n    second = t1.second + t2.second;\n    if (second >= 60.0):\n        second -= 60.0;\n        minute += 1\n    if (minute >= 60):\n        minute -= 60;\n        hour += 1;\n    return Time(hour,minute,second)\n\n\nc = Time( 9, 14, 30.0 )\nb = Time ( 3, 35, 0.0 )\ndoneTime = addTime (c, b);\nprintTime(doneTime)\n",
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": "12 : 49 : 30.0\nTime is  12  hour  49  minutes  30.0\n"
      }
     ],
     "prompt_number": 4
    },
    {
     "cell_type": "heading",
     "level": 3,
     "metadata": {},
     "source": "example 9.5 page no : 93\n"
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "'''\nexample 9.5 page no : 93\nincorrect version\n'''\nclass Time:\n    def __init__(self,h,m,s):\n        self.hour = h\n        self.minute = m\n        self.second = s\n\ndef printTime(t):\n    print t.hour , \":\" , t.minute , \":\" , t.second\n    print \"Time is \" , t.hour , \" hour \" , t.minute , \" minutes \" , t.second \n\ndef increment (time,secs):\n    time.second += secs\n    if (time.second >= 60.0):\n        time.second -= 60.0;\n        time.minute += 1;\n    if (time.minute >= 60):\n        time.minute -= 60;\n        time.hour += 1;\n\n\ndef addTime(t1,t2):\n    hour = t1.hour + t2.hour;\n    minute = t1.minute + t2.minute;\n    second = t1.second + t2.second;\n    if (second >= 60.0):\n        second -= 60.0;\n        minute += 1\n    if (minute >= 60):\n        minute -= 60;\n        hour += 1;\n    return Time(hour,minute,second)\n\n\nc = Time( 9, 14, 30.0 )\nb = Time ( 3, 35, 0.0 )\ndoneTime = addTime (c, b);\nprintTime(doneTime)\n",
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": "12 : 49 : 30.0\nTime is  12  hour  49  minutes  30.0\n"
      }
     ],
     "prompt_number": 5
    },
    {
     "cell_type": "heading",
     "level": 3,
     "metadata": {},
     "source": "example 9.6 page no : 94\n"
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "'''\nexample 9.6 page no : 94\n'''\nclass Time:\n    def __init__(self,h,m,s):\n        self.hour = h\n        self.minute = m\n        self.second = s\n\ndef printTime(t):\n    print t.hour , \":\" , t.minute , \":\" , t.second\n    print \"Time is \" , t.hour , \" hour \" , t.minute , \" minutes \" , t.second \n\ndef addTimeFill(t1,t2,s):\n    s.hour = t1.hour + t2.hour;\n    s.minute = t1.minute + t2.minute;\n    s.second = t1.second + t2.second;\n    if (s.second >= 60.0):\n        s.second -= 60.0;\n        s.minute += 1;\n    if (s.minute >= 60):\n        s.minute -= 60;\n        s.hour += 1;\n\nc = Time( 9, 14, 30.0 )\nb = Time ( 3, 35, 0.0 )\ndoneTime = Time(0,0,0)\naddTimeFill (c, b,doneTime);\nprintTime(doneTime)\n\n\n",
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": "12 : 49 : 30.0\nTime is  12  hour  49  minutes  30.0\n"
      }
     ],
     "prompt_number": 6
    },
    {
     "cell_type": "heading",
     "level": 3,
     "metadata": {},
     "source": "example 9.7 page no : 97\n"
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "'''\nexample 9.7 page no : 97\n'''\nclass Time:\n    def __init__(self,h,m,s):\n        self.hour = h\n        self.minute = m\n        self.second = s\n\ndef printTime(t):\n    print t.hour , \":\" , t.minute , \":\" , t.second\n    print \"Time is \" , t.hour , \" hour \" , t.minute , \" minutes \" , t.second \n\ndef convertToSeconds (t):\n    minutes = t.hour * 60 + t.minute;\n    seconds = minutes * 60 + t.second;\n    return seconds;\n\ndef makeTime(secs):\n    hour = int (secs / 3600.0);\n    secs -= hour * 3600.0;\n    minute = int (secs / 60.0);\n    secs -= minute * 60;\n    second = secs;\n    return Time(hour,minute,second)\n\ndef addTime (t1,t2):\n    seconds = convertToSeconds (t1) + convertToSeconds (t2);\n    return makeTime(seconds)\n\n\nc = Time( 9, 14, 30.0 )\nb = Time ( 3, 35, 0.0 )\ndoneTime = addTime (c, b);\nprintTime(doneTime)\n\n\n\n",
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": "12 : 49 : 30.0\nTime is  12  hour  49  minutes  30.0\n"
      }
     ],
     "prompt_number": 7
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "",
     "language": "python",
     "metadata": {},
     "outputs": []
    }
   ],
   "metadata": {}
  }
 ]
}