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| author | kinitrupti | 2015-10-15 17:40:30 +0530 |
|---|---|---|
| committer | kinitrupti | 2015-10-15 17:40:30 +0530 |
| commit | 8e4f9ec414f553746330423a974684bbac2163a8 (patch) | |
| tree | 7d91d4997a3962c3ad62355ad369f7b6b7738ddb /Schaum's_Outlines:_Programming_with_C++/ch12.ipynb | |
| parent | 79c8f29f70cc014d5fd8b9900d3c19309134bc1d (diff) | |
| download | Python-Textbook-Companions-8e4f9ec414f553746330423a974684bbac2163a8.tar.gz Python-Textbook-Companions-8e4f9ec414f553746330423a974684bbac2163a8.tar.bz2 Python-Textbook-Companions-8e4f9ec414f553746330423a974684bbac2163a8.zip | |
solved errors
Diffstat (limited to 'Schaum's_Outlines:_Programming_with_C++/ch12.ipynb')
| -rwxr-xr-x | Schaum's_Outlines:_Programming_with_C++/ch12.ipynb | 869 |
1 files changed, 0 insertions, 869 deletions
diff --git a/Schaum's_Outlines:_Programming_with_C++/ch12.ipynb b/Schaum's_Outlines:_Programming_with_C++/ch12.ipynb deleted file mode 100755 index 2743b6a5..00000000 --- a/Schaum's_Outlines:_Programming_with_C++/ch12.ipynb +++ /dev/null @@ -1,869 +0,0 @@ -{
- "metadata": {
- "name": "ch12"
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
- {
- "cells": [
- {
- "cell_type": "heading",
- "level": 1,
- "metadata": {},
- "source": [
- "Chapter 12: Composition and Inheritance"
- ]
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 12.1, Page no: 273"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "class Person:\n",
- " def __init__(self,n=\"\",nat=\"U.S.A.\",s=1):\n",
- " self.name = n\n",
- " self.nationality = nat\n",
- " self.sex = s\n",
- "\n",
- " def printName(self):\n",
- " print self.name,\n",
- " \n",
- " def printNationality(self):\n",
- " print self.nationality,\n",
- "\n",
- "creator = Person(\"Bjarne Stroustrup\", \"Denmark\")\n",
- "print \"The creator of C++ was \" ,\n",
- "creator.printName() \n",
- "print \", who was born in \" ,\n",
- "creator.printNationality() \n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The creator of C++ was Bjarne Stroustrup , who was born in Denmark\n"
- ]
- }
- ],
- "prompt_number": 1
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 12.2, Page no: 274"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "\n",
- "class Date:\n",
- " def __init__(self,m=0,d=0,y=0):\n",
- " self.month = m\n",
- " self.day = d\n",
- " self.year = y\n",
- " \n",
- " def setDate(self,m,d,y):\n",
- " self.month = m\n",
- " self.day = d\n",
- " self.year = y\n",
- " # Python doesn't have >> operator for input so we are just using input function\n",
- " def input(self):\n",
- " self.month = int(raw_input()) \n",
- " self.day = int(raw_input())\n",
- " self.year = int(raw_input()) \n",
- " \n",
- " # Python doesn't have << operator for output so we are just using print function\n",
- " def print_(self):\n",
- " monthName = [\"\", \"January\",\"February\",\"March\", \"April\", \"May\", \"June\",\\\n",
- " \"July\", \"August\",\"September\", \"October\", \"November\",\\\n",
- " \"December\"]\n",
- " print monthName[self.month] , self.day , \",\" , self.year\n",
- "\n",
- "peace = Date(11,11,1918)\n",
- "print \"World War I ended on \" ,\n",
- "peace.print_()\n",
- "peace.setDate(8,14,1945)\n",
- "print \"World War II ended on \" ,\n",
- "peace.print_()\n",
- "print \"Enter month, day, and year: \"\n",
- "date = Date()\n",
- "date.input()\n",
- "print \"The date is \" , \n",
- "date.print_()\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "World War I ended on November 11 , 1918\n",
- "World War II ended on August 14 , 1945\n",
- "Enter month, day, and year: \n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "7\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "4\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "1976\n"
- ]
- },
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The date is July 4 , 1976\n"
- ]
- }
- ],
- "prompt_number": 2
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 12.3, Page no: 274"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "class Date:\n",
- " def __init__(self,m=0,d=0,y=0):\n",
- " self.month = m\n",
- " self.day = d\n",
- " self.year = y\n",
- " \n",
- " def setDate(self,m,d,y):\n",
- " self.month = m\n",
- " self.day = d\n",
- " self.year = y\n",
- " # Python doesn't have >> operator for input so we are just using input function\n",
- " def input(self):\n",
- " self.month = int(raw_input()) \n",
- " self.day = int(raw_input())\n",
- " self.year = int(raw_input()) \n",
- " \n",
- " # Python doesn't have << operator for output so we are just using print function\n",
- " def print_(self):\n",
- " monthName = [\"\", \"January\",\"February\",\"March\", \"April\", \"May\", \"June\",\\\n",
- " \"July\", \"August\",\"September\", \"October\", \"November\",\\\n",
- " \"December\"]\n",
- " print monthName[self.month] , self.day , \",\" , self.year\n",
- "\n",
- "class Person:\n",
- " def __init__(self,n=\"\",s=0,nat=\"U.S.A.\"):\n",
- " self.name = n\n",
- " self.nationality = nat\n",
- " self.sex = s\n",
- " self.dob = Date()\n",
- " self.dod = Date()\n",
- " def setDOB(self,m,d,y):\n",
- " self.dob.setDate(m,d,y)\n",
- " def setDOD(self,m,d,y):\n",
- " self.dod.setDate(m,d,y)\n",
- " def printName(self):\n",
- " print self.name,\n",
- " def printNationality(self):\n",
- " print self.nationality,\n",
- " def printDOB(self):\n",
- " self.dob.print_()\n",
- " def printDOD(self):\n",
- " self.dod.print_()\n",
- "\n",
- "author = Person(\"Thomas Jefferson\", 1)\n",
- "author.setDOB(4,13,1743)\n",
- "author.setDOD(7,4,1826)\n",
- "print \"The author of the Declaration of Independence was \",\n",
- "author.printName()\n",
- "print \".\\nHe was born on \",\n",
- "author.printDOB()\n",
- "print \" and died on \",\n",
- "author.printDOD()\n",
- "\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The author of the Declaration of Independence was Thomas Jefferson .\n",
- "He was born on April 13 , 1743\n",
- " and died on July 4 , 1826\n"
- ]
- }
- ],
- "prompt_number": 3
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 12.4, Page no: 276"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "class Date:\n",
- " def __init__(self,m=0,d=0,y=0):\n",
- " self.month = m\n",
- " self.day = d\n",
- " self.year = y\n",
- " \n",
- " def setDate(self,m,d,y):\n",
- " self.month = m\n",
- " self.day = d\n",
- " self.year = y\n",
- " # Python doesn't have >> operator for input so we are just using input function\n",
- " def input(self):\n",
- " self.month = int(raw_input()) \n",
- " self.day = int(raw_input())\n",
- " self.year = int(raw_input()) \n",
- " \n",
- " # Python doesn't have << operator for output so we are just using print function\n",
- " def print_(self):\n",
- " monthName = [\"\", \"January\",\"February\",\"March\", \"April\", \"May\", \"June\",\\\n",
- " \"July\", \"August\",\"September\", \"October\", \"November\",\\\n",
- " \"December\"]\n",
- " print monthName[self.month] , self.day , \",\" , self.year\n",
- "\n",
- "class Person:\n",
- " def __init__(self,n=\"\",s=0,nat=\"U.S.A.\"):\n",
- " self.name = n\n",
- " self.nationality = nat\n",
- " self.sex = s\n",
- " self.dob = Date()\n",
- " self.dod = Date()\n",
- " def setDOB(self,m,d,y):\n",
- " self.dob.setDate(m,d,y)\n",
- " def setDOD(self,m,d,y):\n",
- " self.dod.setDate(m,d,y)\n",
- " def printName(self):\n",
- " print self.name,\n",
- " def printNationality(self):\n",
- " print self.nationality,\n",
- " def printDOB(self):\n",
- " self.dob.print_()\n",
- " def printDOD(self):\n",
- " self.dod.print_()\n",
- "\n",
- "class Student(Person):\n",
- " def __init__(self,n,s=0,i=\"\"):\n",
- " Person.__init__(self,n,s)\n",
- " self.id = i\n",
- " self.credits = 0\n",
- " self.gpa = 0\n",
- " self.dom = Date()\n",
- "\n",
- " def setDOM(self,m,d,y):\n",
- " self.dom.setDate(m, d, y)\n",
- " def printDOM(self):\n",
- " self.dom.print_()\n",
- "\n",
- "x = Student(\"Ann Jones\", 0, \"219360061\")\n",
- "x.setDOB(5, 13, 1977)\n",
- "x.setDOM(8, 29, 1995)\n",
- "x.printName()\n",
- "print \"\\n\\t Born: \" ,\n",
- "x.printDOB()\n",
- "print \"\\n\\tMatriculated: \",\n",
- "x.printDOM()\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Ann Jones \n",
- "\t Born: May 13 , 1977\n",
- "\n",
- "\tMatriculated: August 29 , 1995\n"
- ]
- }
- ],
- "prompt_number": 4
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 12.5, Page no: 276"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "class Date:\n",
- " def __init__(self,m=0,d=0,y=0):\n",
- " self.month = m\n",
- " self.day = d\n",
- " self.year = y\n",
- " \n",
- " def setDate(self,m,d,y):\n",
- " self.month = m\n",
- " self.day = d\n",
- " self.year = y\n",
- " # Python doesn't have >> operator for input so we are just using input function\n",
- " def input(self):\n",
- " self.month = int(raw_input()) \n",
- " self.day = int(raw_input())\n",
- " self.year = int(raw_input()) \n",
- " \n",
- " # Python doesn't have << operator for output so we are just using print function\n",
- " def print_(self):\n",
- " monthName = [\"\", \"January\",\"February\",\"March\", \"April\", \"May\", \"June\",\\\n",
- " \"July\", \"August\",\"September\", \"October\", \"November\",\\\n",
- " \"December\"]\n",
- " print monthName[self.month] , self.day , \",\" , self.year\n",
- "\n",
- "class Person:\n",
- " def __init__(self,n=\"\",s=0,nat=\"U.S.A.\"):\n",
- " self.name = n\n",
- " self.nationality = nat\n",
- " self.sex = s\n",
- " self.dob = Date()\n",
- " self.dod = Date()\n",
- " def setDOB(self,m,d,y):\n",
- " self.dob.setDate(m,d,y)\n",
- " def setDOD(self,m,d,y):\n",
- " self.dod.setDate(m,d,y)\n",
- " def printName(self):\n",
- " print self.name,\n",
- " def printNationality(self):\n",
- " print self.nationality,\n",
- " def printDOB(self):\n",
- " self.dob.print_()\n",
- " def printDOD(self):\n",
- " self.dod.print_()\n",
- "\n",
- "class Student(Person):\n",
- " def __init__(self,n,s=0,i=\"\"):\n",
- " Person.__init__(self,n,s)\n",
- " self.id = i\n",
- " self.credits = 0\n",
- " self.gpa = 0\n",
- " self.dom = Date()\n",
- "\n",
- " def setDOM(self,m,d,y):\n",
- " self.dom.setDate(m, d, y)\n",
- " def printDOM(self):\n",
- " self.dom.print_()\n",
- " def printSex(self):\n",
- " if self.sex == 1:\n",
- " print \"male\"\n",
- " else:\n",
- " print 'female'\n",
- "\n",
- "x = Student(\"Ann Jones\", 0, \"219360061\")\n",
- "x.setDOB(5, 13, 1977)\n",
- "x.setDOM(8, 29, 1995)\n",
- "x.setDOD(7,4,1826)\n",
- "x.printName()\n",
- "print \"\\n\\t Born: \" , \n",
- "x.printDOB()\n",
- "print \"\\n\\t Sex: \" ,\n",
- "x.printSex()\n",
- "print \"\\n\\tMatriculated: \",\n",
- "x.printDOM()\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Ann Jones \n",
- "\t Born: May 13 , 1977\n",
- "\n",
- "\t Sex: female\n",
- "\n",
- "\tMatriculated: August 29 , 1995\n"
- ]
- }
- ],
- "prompt_number": 5
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 12.6, Page no: 279"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "class X:\n",
- " def __init__(self):\n",
- " self.a = 0\n",
- " def f(self):\n",
- " print \"X::f() executing\"\n",
- "class Y(X):\n",
- " def __init__(self):\n",
- " self.a = 0\n",
- " def f(self):\n",
- " print \"Y::f() executing\"\n",
- "x = X()\n",
- "x.a = 22\n",
- "x.f()\n",
- "print \"x.a = \" , x.a\n",
- "y = Y()\n",
- "y.a = 44\n",
- "# assigns 44 to the a defined in Y\n",
- "y._X__a = 66\n",
- "# assigns 66 to the a defined in X\n",
- "y.f()\n",
- "# invokes the f() defined in Y\n",
- "X.f(x)\n",
- "# invokes the f() defined in X\n",
- "print \"y.a = \" , y.a \n",
- "print \"y._X__a = \" , y._X__a \n",
- "z = y\n",
- "print \"z.a = \" , z._X__a \n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "X::f() executing\n",
- "x.a = 22\n",
- "Y::f() executing\n",
- "X::f() executing\n",
- "y.a = 44\n",
- "y._X__a = 66\n",
- "z.a = 66\n"
- ]
- }
- ],
- "prompt_number": 6
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 12.7, Page no: 280"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "'''\n",
- "Note : Python destuctor is called when program goes exit. So output may be differ than c.\n",
- "'''\n",
- "class X:\n",
- " def __init__(self):\n",
- " print \"X::X() constructor executing \"\n",
- " def __del__(self):\n",
- " print \"X::X() destructor executing \"\n",
- "\n",
- "class Y(X):\n",
- " def __init__(self):\n",
- " X.__init__(self)\n",
- " print \"Y::Y() constructor executing \"\n",
- " def __del__(self):\n",
- " print \"Y::Y() destructor executing \"\n",
- "\n",
- "class Z(Y):\n",
- " def __init__(self,i):\n",
- " Y.__init__(self)\n",
- " print \"Z::Z(\" , i , \") constructor executing \"\n",
- " def __del__(self):\n",
- " print \"Z::Z() destructor executing \"\n",
- " \n",
- "\n",
- "Z = Z(44)\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "X::X() constructor executing \n",
- "Y::Y() constructor executing \n",
- "Z::Z( 44 ) constructor executing \n"
- ]
- }
- ],
- "prompt_number": 7
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 12.8, Page no: 281"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "'''\n",
- "Note : Python destuctor is called when program goes exit. So output may be differ than c.\n",
- "'''\n",
- "class Person:\n",
- " def __init__(self,s):\n",
- " self.name = s\n",
- " def __del__(self):\n",
- " pass\n",
- "\n",
- "class Student(Person):\n",
- " def __init__(self,s,m):\n",
- " Person.__init__(self,s)\n",
- " self.major = m\n",
- " def __del__(self):\n",
- " pass\n",
- "x = Person(\"Bob\")\n",
- "y = Student(\"Sarah\", \"Biology\")\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [],
- "prompt_number": 8
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 12.9, Page no: 282"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "class Person:\n",
- " def __init__(self,n=\"\",s=0,nat=\"U.S.A.\"):\n",
- " self.name = n\n",
- " self.nationality = nat\n",
- " self.sex = s\n",
- " self.dob = Date()\n",
- " self.dod = Date()\n",
- " def setDOB(self,m,d,y):\n",
- " self.dob.setDate(m,d,y)\n",
- " def setDOD(self,m,d,y):\n",
- " self.dod.setDate(m,d,y)\n",
- " def printName(self):\n",
- " print self.name,\n",
- " def printNationality(self):\n",
- " print self.nationality,\n",
- " def printDOB(self):\n",
- " self.dob.print_()\n",
- " def printDOD(self):\n",
- " self.dod.print_()\n",
- " def setHSgraduate(self,g):\n",
- " self.hs = g\n",
- " def isHSgraduate(self):\n",
- " return hs\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [],
- "prompt_number": 9
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 12.10, Page no: 283"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "'''\n",
- "Note : By default all methods in python are virtual. so output would be differ than c.\n",
- "'''\n",
- "class X:\n",
- " def f(self):\n",
- " print \"X::f() executing\"\n",
- "class Y(X):\n",
- " def f(self):\n",
- " print \"Y::f() executing\"\n",
- "x = X()\n",
- "y = Y()\n",
- "p = x\n",
- "p.f()\n",
- "p = y\n",
- "p.f()\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "X::f() executing\n",
- "Y::f() executing\n"
- ]
- }
- ],
- "prompt_number": 10
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 12.11, Page no: 284"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "class Person:\n",
- " def __init__(self,n):\n",
- " self.name = n\n",
- " def print_(self):\n",
- " print 'My name is' , self.name\n",
- "\n",
- "class Student(Person):\n",
- " def __init__(self,s,g):\n",
- " Person.__init__(self,s)\n",
- " self.gpa = g\n",
- " def print_(self):\n",
- " print 'My name is ',self.name, ' and my G.P.A. is', self.gpa\n",
- "\n",
- "class Professor(Person):\n",
- " def __init__(self,s,n):\n",
- " Person.__init__(self,s)\n",
- " self.publs = n\n",
- " def print_(self):\n",
- " print 'My name is ', self.name,' and i have ' , self.publs,' publications.'\n",
- "\n",
- "x = Person(\"Bob\")\n",
- "p = x\n",
- "p.print_()\n",
- "y = Student(\"Tom\", 3.47)\n",
- "p = y\n",
- "p.print_()\n",
- "z = Professor(\"Ann\", 7)\n",
- "p = z\n",
- "p.print_()"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "My name is Bob\n",
- "My name is Tom and my G.P.A. is 3.47\n",
- "My name is Ann and i have 7 publications.\n"
- ]
- }
- ],
- "prompt_number": 11
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 12.12, Page no: 285"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "'''\n",
- "This program is similar to Example 12.6:\n",
- "'''\n",
- "class X:\n",
- " def __init__(self):\n",
- " self.p = [0,0]\n",
- " print 'X().',\n",
- " def __del__(self):\n",
- " print '~X().'\n",
- "\n",
- "class Y(X):\n",
- " def __init__(self):\n",
- " X.__init__(self)\n",
- " self.q = []\n",
- " for i in range(1023):\n",
- " self.q.append(0)\n",
- " print 'Y() : Y::q = ', hex(id(self.q)) ,'.',\n",
- " def __del__(self):\n",
- " print '~Y().'\n",
- "\n",
- "for i in range(8):\n",
- " r = Y()"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "X(). Y() : Y::q = 0x90d91cc . ~Y().\n",
- "X(). Y() : Y::q = 0x90c944c . ~Y().\n",
- "X(). Y() : Y::q = 0x90d91cc . ~Y().\n",
- "X(). Y() : Y::q = 0x90c944c . ~Y().\n",
- "X(). Y() : Y::q = 0x90d91cc . ~Y().\n",
- "X(). Y() : Y::q = 0x90c944c . ~Y().\n",
- "X(). Y() : Y::q = 0x90d91cc . ~Y().\n",
- "X(). Y() : Y::q = 0x90c944c . ~Y().\n"
- ]
- }
- ],
- "prompt_number": 13
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 12.13, Page no: 288"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "class Media:\n",
- " def __init__(self):\n",
- " self.title = ''\n",
- " def print_(self):\n",
- " pass\n",
- " def id(self):\n",
- " pass\n",
- "\n",
- "class Book(Media):\n",
- " def __init__(self,a='',t=\"\",p=\"\",i=\"\"):\n",
- " self.author = a\n",
- " self.publisher = p\n",
- " self.isbn = i\n",
- " self.title = t\n",
- " def print_(self):\n",
- " print self.title , \" by \" , self.author\n",
- " def id(self):\n",
- " return self.isbn\n",
- "\n",
- "class CD(Media):\n",
- " def __init__(self,t=\"\",c=\"\",m=\"\",n=\"\"):\n",
- " self.composer = c\n",
- " self.make = m\n",
- " self.number = n\n",
- " self.title = t\n",
- " def print_(self):\n",
- " print self.title , \", \" , self.composer\n",
- " def id(self):\n",
- " s = str(self.make) + ' ' + str(self.number)\n",
- " return s\n",
- "\n",
- "class Magazine(Media):\n",
- " def __init__(self,t=\"\",i=\"\",v=0, n=0):\n",
- " self.issn = i\n",
- " self.volume = v\n",
- " self.number = n\n",
- " self.title = t\n",
- " def print_(self):\n",
- " print self.title , \" Magazine, Vol. \", self.volume , \", No.\" , self.number\n",
- " def id(self):\n",
- " return self.issn\n",
- "\n",
- "book = Book(\"Bjarne Stroustrup\", \"The C++ Programming Language\",\"Addison-Wesley\", \"0-201-53992-6\")\n",
- "magazine = Magazine(\"TIME\", \"0040-781X\", 145, 23)\n",
- "cd = CD(\"BACH CANTATAS\", \"Johann Sebastian Bach\",\"ARCHIV\", \"D120541\")\n",
- "book.print_()\n",
- "print \"\\tid: \" , book.id() \n",
- "magazine.print_()\n",
- "print \"\\tid: \" , magazine.id() \n",
- "cd.print_()\n",
- "print \"\\tid: \" , cd.id()"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The C++ Programming Language by Bjarne Stroustrup\n",
- "\tid: 0-201-53992-6\n",
- "TIME Magazine, Vol. 145 , No. 23\n",
- "\tid: 0040-781X\n",
- "BACH CANTATAS , Johann Sebastian Bach\n",
- "\tid: ARCHIV D120541\n"
- ]
- }
- ],
- "prompt_number": 14
- }
- ],
- "metadata": {}
- }
- ]
-}
\ No newline at end of file |