{ "metadata": { "name": "", "signature": "sha256:016508922d0131c0ac159bf106009ef877ee5a7ded89017b639b2c0f28cf52bc" }, "nbformat": 3, "nbformat_minor": 0, "worksheets": [ { "cells": [ { "cell_type": "heading", "level": 1, "metadata": {}, "source": [ "Chapter 14: The Road Ahead: Structures and Classes" ] }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "example 14.1, page no. 317" ] }, { "cell_type": "code", "collapsed": false, "input": [ "\n", "\n", "class Person:\n", " name = \"\"\n", " height = 0" ], "language": "python", "metadata": {}, "outputs": [], "prompt_number": 1 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "example 14.2, page no. 318" ] }, { "cell_type": "code", "collapsed": false, "input": [ "\n", "\n", "class Person:\n", " name = \"\"\n", " height = 0\n", "\n", "MAX = 3\n", "p = []\n", "\n", "for x in range(MAX):\n", " per = Person()\n", " print \"Enter person's name: \",\n", " per.name = raw_input()\n", " print \"Enter height in inches: \",\n", " per.height = int(raw_input())\n", " p.append(per)\n", "\n", "print \"Outputting person data\\n\";\n", "print \"======================\\n\";\n", "for x in range(MAX):\n", " print \"Person \", x + 1, \"'s name is \", p[x].name, \" and height is \", p[x].height" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "Enter person's name: " ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Jeff\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ " Enter height in inches: " ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "50\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ " Enter person's name: " ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Kent\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ " Enter height in inches: " ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "50\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ " Enter person's name: " ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Jefff\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ " Enter height in inches: " ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "40\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ " Outputting person data\n", "\n", "======================\n", "\n", "Person 1 's name is Jeff and height is 50\n", "Person 2 's name is Kent and height is 50\n", "Person 3 's name is Jefff and height is 40\n" ] } ], "prompt_number": 2 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "example 14.3, page no. 320" ] }, { "cell_type": "code", "collapsed": false, "input": [ "\n", "\n", "class Person:\n", " name = \"\"\n", " height = 0\n", "\n", "MAX = 3\n", "p1 = Person()\n", "print \"The person's name is \", p1.name, \" and height is \", p1.height" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "The person's name is and height is 0\n" ] } ], "prompt_number": 3 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "example 14.4, page no. 322" ] }, { "cell_type": "code", "collapsed": false, "input": [ "\n", "\n", "class Person:\n", " def __init__(self):\n", " self.name = \"no name assigned\"\n", " self.height = -1\n", "\n", "MAX = 3\n", "p1 = Person()\n", "print \"The person's name is \", p1.name, \" and height is \", p1.height" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "The person's name is no name assigned and height is -1\n" ] } ], "prompt_number": 4 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "example 14.5, page no. 323" ] }, { "cell_type": "code", "collapsed": false, "input": [ "\n", "\n", "class Person:\n", " def __init__(self, s=\"no name assigned\", h=-1):\n", " self.name = s\n", " self.height = h\n", "\n", "MAX = 3\n", "print \"Enter a person's name: \",\n", "s = raw_input()\n", "print \"Enter height in inches: \",\n", "h = int(raw_input())\n", "p1 = Person(s, h)\n", "print \"The person's name is \", p1.name, \" and height is \", p1.height" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "Enter a person's name: " ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Jeff\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ " Enter height in inches: " ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "39\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ " The person's name is Jeff and height is 39\n" ] } ], "prompt_number": 5 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "example 14.6, page no. 324" ] }, { "cell_type": "code", "collapsed": false, "input": [ "\n", "\n", "class Person:\n", " def __init__(self, s=\"no name assigned\", h=-1):\n", " self.name = s\n", " self.height = h\n", "\n", "MAX = 3\n", "print \"Enter a person's name: \",\n", "s = raw_input()\n", "print \"Enter height in inches: \",\n", "h = int(raw_input())\n", "p1 = Person(s, h)\n", "print \"The person's name is \", p1.name, \" and height is \", p1.height\n" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "Enter a person's name: " ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Jeff\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ " Enter height in inches: " ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "50\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ " The person's name is Jeff and height is 50\n" ] } ], "prompt_number": 6 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "example 14.7, page no. 325" ] }, { "cell_type": "code", "collapsed": false, "input": [ "\n", "\n", "class Person:\n", " name = \"\"\n", " height = \"\"\n", " def setValues(self, pers):\n", " print \"Enter person's name: \",\n", " pers.name = raw_input()\n", " print \"Enter height in inches: \",\n", " pers.height = int(raw_input())\n", " def getValues(self, pers):\n", " print \"Person's name is \", pers.name, \" height is \", pers.height\n", "\n", "p1 = Person()\n", "p1.setValues(p1)\n", "print \"Outputting person data\"\n", "print \"======================\"\n", "p1.getValues(p1)" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "Enter person's name: " ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Jeff\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ " Enter height in inches: " ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "60\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ " Outputting person data\n", "======================\n", "Person's name is Jeff height is 60\n" ] } ], "prompt_number": 7 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "example 14.8, page no. 326" ] }, { "cell_type": "code", "collapsed": false, "input": [ "\n", "\n", "class Date:\n", " month = 0\n", " day = 0\n", " year = 0\n", "\n", "class Person:\n", " name = \"\"\n", " height = 0\n", " bDay = Date()\n", " def setValues(self, pers):\n", " print \"Enter person's name: \",\n", " pers.name = raw_input()\n", " print \"Enter height in inches: \",\n", " pers.height = int(raw_input())\n", " print \"Enter birthdate\"\n", " pers.bDay.month = int(raw_input(\"Month: \"))\n", " pers.bDay.day = int(raw_input(\"Day: \"))\n", " pers.bDay.year = int(raw_input(\"Year: \"))\n", " def getValues(self, pers):\n", " print \"Person's name: \", pers.name\n", " print \"Person's height\", pers.height\n", " print \"Person's birthday in mm/dd/yyyy format is: \", pers.bDay.month, pers.bDay.day, pers.bDay.year\n", "\n", "p1 = Person()\n", "p1.setValues(p1)\n", "print \"Outputting person data\"\n", "print \"======================\"\n", "p1.getValues(p1)" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "Enter person's name: " ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Jeff\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ " Enter height in inches: " ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "59\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ " Enter birthdate\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Month: 20\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Day: 05\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Year: 1999\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Outputting person data\n", "======================\n", "Person's name: Jeff\n", "Person's height 59\n", "Person's birthday in mm/dd/yyyy format is: 20 5 1999\n" ] } ], "prompt_number": 8 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "example 14.9, page no. 330" ] }, { "cell_type": "code", "collapsed": false, "input": [ "\n", "\n", "class Person:\n", " name = \"\"\n", " height = \"\"\n", " def setValues(self, pers):\n", " print \"Enter person's name: \",\n", " pers.name = raw_input()\n", " print \"Enter height in inches: \",\n", " pers.height = int(raw_input())\n", " def getValues(self, pers):\n", " print \"Person's name is \", pers.name, \" height is \", pers.height\n", "\n", "p1 = Person()\n", "p1.setValues(p1)\n", "print \"Outputting person data\"\n", "print \"======================\"\n", "p1.getValues(p1)" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "Enter person's name: " ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "JEff\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ " Enter height in inches: " ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "50\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ " Outputting person data\n", "======================\n", "Person's name is JEff height is 50\n" ] } ], "prompt_number": 9 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "example 14.10, page no. 331" ] }, { "cell_type": "code", "collapsed": false, "input": [ "\n", "class Person:\n", " name = \"\"\n", " height = \"\"\n", " def setValues(self, pers):\n", " print \"Enter person's name: \",\n", " pers.name = raw_input()\n", " print \"Enter height in inches: \",\n", " pers.height = int(raw_input())\n", " def getValues(self):\n", " print \"Person's name is \", self.getName(), \" height is \", self.getHeight()\n", " def getName(self):\n", " return self.name\n", " def getHeight(self):\n", " return self.height\n", "\n", "p1 = Person()\n", "p1.setValues(p1)\n", "print \"Outputting person data\"\n", "print \"======================\"\n", "p1.getValues()" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "Enter person's name: " ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Jeff\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ " Enter height in inches: " ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "60\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ " Outputting person data\n", "======================\n", "Person's name is Jeff height is 60\n" ] } ], "prompt_number": 10 } ], "metadata": {} } ] }