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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++/ch10.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++/ch10.ipynb')
| -rwxr-xr-x | Schaum's_Outlines:_Programming_with_C++/ch10.ipynb | 877 |
1 files changed, 0 insertions, 877 deletions
diff --git a/Schaum's_Outlines:_Programming_with_C++/ch10.ipynb b/Schaum's_Outlines:_Programming_with_C++/ch10.ipynb deleted file mode 100755 index eb3d1761..00000000 --- a/Schaum's_Outlines:_Programming_with_C++/ch10.ipynb +++ /dev/null @@ -1,877 +0,0 @@ -{
- "metadata": {
- "name": "ch10"
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
- {
- "cells": [
- {
- "cell_type": "heading",
- "level": 1,
- "metadata": {},
- "source": [
- "Chapter 10: Classes"
- ]
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 10.1, Page no: 233"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "class Ratio:\n",
- " def __init__(self):\n",
- " self.num = 0\n",
- " self.den = 0\n",
- " def assign(self,n,d):\n",
- " self.num = n\n",
- " self.den = d\n",
- " def convert(self):\n",
- " return float(self.num)/self.den\n",
- " def invert(self):\n",
- " self.num,self.den = self.den,self.num\n",
- " def print_(self):\n",
- " print self.num , '/' , self.den ,\n",
- " \n",
- "x = Ratio()\n",
- "x.assign(22,7)\n",
- "print \"x = \",\n",
- "x.print_()\n",
- "print \" = \" , x.convert() \n",
- "x.invert()\n",
- "print \"1/x = \",\n",
- "x.print_()\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "x = 22 / 7 = 3.14285714286\n",
- "1/x = 7 / 22\n"
- ]
- }
- ],
- "prompt_number": 1
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 10.2, Page no: 234"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "class Ratio:\n",
- " def __init__(self):\n",
- " self.num = 0\n",
- " self.den = 0\n",
- " def assign(self,n,d):\n",
- " self.num = n\n",
- " self.den = d\n",
- " def convert(self):\n",
- " return float(self.num)/self.den\n",
- " def invert(self):\n",
- " self.num,self.den = self.den,self.num\n",
- " def print_(self):\n",
- " print self.num , '/' , self.den ,\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [],
- "prompt_number": 2
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 10.3, Page no: 235"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "class Ratio:\n",
- " def __init__(self,n,d):\n",
- " self.num = n\n",
- " self.den = d\n",
- " def print_(self):\n",
- " print self.num , '/' , self.den ,\n",
- "\n",
- "x = Ratio(-1,3)\n",
- "y = Ratio(22,7)\n",
- "print \"x = \",\n",
- "x.print_()\n",
- "print \" and y = \",\n",
- "y.print_()\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "x = -1 / 3 and y = 22 / 7\n"
- ]
- }
- ],
- "prompt_number": 3
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 10.4, Page no: 236"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "class Ratio:\n",
- " def __init__(self,n=None,d=None):\n",
- " if n==None:\n",
- " self.num = 0\n",
- " self.den = 1\n",
- " elif d==None:\n",
- " self.num = n\n",
- " self.den = 1\n",
- " else:\n",
- " self.num = n\n",
- " self.den = d\n",
- " def print_(self):\n",
- " print self.num , '/' , self.den ,\n",
- "\n",
- "x = Ratio()\n",
- "y = Ratio(4)\n",
- "z = Ratio(22,7)\n",
- "print \"x = \",\n",
- "x.print_()\n",
- "print \"\\ny = \",\n",
- "y.print_()\n",
- "print \"\\nz = \",\n",
- "z.print_()"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "x = 0 / 1 \n",
- "y = 4 / 1 \n",
- "z = 22 / 7\n"
- ]
- }
- ],
- "prompt_number": 4
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 10.5, Page no: 237"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "class Ratio:\n",
- " def __init__(self,n=None,d=None):\n",
- " if n==None:\n",
- " self.num = 0\n",
- " self.den = 1\n",
- " elif d==None:\n",
- " self.num = n\n",
- " self.den = 1\n",
- " else:\n",
- " self.num = n\n",
- " self.den = d\n",
- " def print_(self):\n",
- " print self.num , '/' , self.den ,\n",
- "\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [],
- "prompt_number": 5
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 10.6, Page no: 237"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "\n",
- "class Ratio:\n",
- " def __init__(self,n=0,d=1):\n",
- " self.num = n\n",
- " self.den = d\n",
- " def print_(self):\n",
- " print self.num , '/' , self.den ,\n",
- "\n",
- "\n",
- "x = Ratio()\n",
- "y = Ratio(4)\n",
- "z = Ratio(22,7)"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [],
- "prompt_number": 6
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 10.7, Page no: 238"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "\n",
- "class Ratio:\n",
- " def __init__(self,n=0,d=1):\n",
- " self.num = n\n",
- " self.den = d\n",
- " def numerator(self):\n",
- " return self.num\n",
- " def denominator(self):\n",
- " return self.den\n",
- " def print_(self):\n",
- " print self.num , '/' , self.den ,\n",
- "\n",
- "\n",
- "x = Ratio(22,7)\n",
- "print x.numerator() , '/' , x.denominator() "
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "22 / 7\n"
- ]
- }
- ],
- "prompt_number": 7
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 10.8, Page no: 238"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "def gcd(m,n):\n",
- " # returns the greatest common divisor of m and n:\n",
- " if (m<n):\n",
- " m,n = n,m\n",
- " while (n>0):\n",
- " r = m % n\n",
- " m = n\n",
- " n = r\n",
- " return m\n",
- "\n",
- "class Ratio:\n",
- " def __init__(self,n=0,d=1):\n",
- " self.num = n\n",
- " self.den = d\n",
- " self.reduce()\n",
- " def numerator(self):\n",
- " return self.num\n",
- " def denominator(self):\n",
- " return self.den\n",
- " def print_(self):\n",
- " print self.num , '/' , self.den ,\n",
- "\n",
- " def reduce(self):\n",
- " # enforce invariant(den > 0):\n",
- " if (self.num == 0 or self.den == 0):\n",
- " self.num = 0\n",
- " self.den = 1\n",
- " return\n",
- " if (self.den < 0):\n",
- " self.den *= -1\n",
- " self.num *= -1\n",
- " # enforce invariant(gcd(num,den) == 1):\n",
- " if (self.den == 1):\n",
- " return\n",
- " # it's already reduced\n",
- " sgn = 0\n",
- " if self.num < 0:\n",
- " sgn = -1\n",
- " else:\n",
- " sgn = 1\n",
- " g = gcd(sgn*self.num,self.den)\n",
- " self.num /= g\n",
- " self.den /= g\n",
- "\n",
- "x = Ratio(100,-360)\n",
- "x.print_()\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "-5 / 18\n"
- ]
- }
- ],
- "prompt_number": 8
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 10.9, Page no: 240"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "def gcd(m,n):\n",
- " # returns the greatest common divisor of m and n:\n",
- " if (m<n):\n",
- " m,n = n,m\n",
- " while (n>0):\n",
- " r = m % n\n",
- " m = n\n",
- " n = r\n",
- " return m\n",
- "\n",
- "class Ratio:\n",
- " def __init__(self,n=0,d=None):\n",
- " if d == None:\n",
- " self.num = n.num\n",
- " self.den = n.den\n",
- " else: \n",
- " self.num = n\n",
- " self.den = d\n",
- " self.reduce()\n",
- " def numerator(self):\n",
- " return self.num\n",
- " def denominator(self):\n",
- " return self.den\n",
- " def print_(self):\n",
- " print self.num , '/' , self.den ,\n",
- "\n",
- " def reduce(self):\n",
- " # enforce invariant(den > 0):\n",
- " if (self.num == 0 or self.den == 0):\n",
- " self.num = 0\n",
- " self.den = 1\n",
- " return\n",
- " if (self.den < 0):\n",
- " self.den *= -1\n",
- " self.num *= -1\n",
- " # enforce invariant(gcd(num,den) == 1):\n",
- " if (self.den == 1):\n",
- " return\n",
- " # it's already reduced\n",
- " sgn = 0\n",
- " if self.num < 0:\n",
- " sgn = -1\n",
- " else:\n",
- " sgn = 1\n",
- " g = gcd(sgn*self.num,self.den)\n",
- " self.num /= g\n",
- " self.den /= g\n",
- "\n",
- "x = Ratio(100,360)\n",
- "y = Ratio(x)\n",
- "print \"x = \",\n",
- "x.print_()\n",
- "print \"y = \",\n",
- "y.print_()\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "x = 5 / 18 y = 5 / 18\n"
- ]
- }
- ],
- "prompt_number": 9
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 10.10, Page no: 241"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "def gcd(m,n):\n",
- " # returns the greatest common divisor of m and n:\n",
- " if (m<n):\n",
- " m,n = n,m\n",
- " while (n>0):\n",
- " r = m % n\n",
- " m = n\n",
- " n = r\n",
- " return m\n",
- "\n",
- "class Ratio:\n",
- " def __init__(self,n=0,d=None):\n",
- " if d == None:\n",
- " print \"COPY CONSTRUCTOR CALLED\"\n",
- " self.num = n.num\n",
- " self.den = n.den\n",
- " else: \n",
- " self.num = n\n",
- " self.den = d\n",
- " self.reduce()\n",
- " def numerator(self):\n",
- " return self.num\n",
- " def denominator(self):\n",
- " return self.den\n",
- " def print_(self):\n",
- " print self.num , '/' , self.den ,\n",
- "\n",
- " def reduce(self):\n",
- " # enforce invariant(den > 0):\n",
- " if (self.num == 0 or self.den == 0):\n",
- " self.num = 0\n",
- " self.den = 1\n",
- " return\n",
- " if (self.den < 0):\n",
- " self.den *= -1\n",
- " self.num *= -1\n",
- " # enforce invariant(gcd(num,den) == 1):\n",
- " if (self.den == 1):\n",
- " return\n",
- " # it's already reduced\n",
- " sgn = 0\n",
- " if self.num < 0:\n",
- " sgn = -1\n",
- " else:\n",
- " sgn = 1\n",
- " g = gcd(sgn*self.num,self.den)\n",
- " self.num /= g\n",
- " self.den /= g\n",
- "\n",
- "def f(r):\n",
- " s = Ratio(r)\n",
- "\n",
- "x = Ratio(22,7)\n",
- "y = Ratio(x) #calls the copy constructor, copying x to y\n",
- "f(y)\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "COPY CONSTRUCTOR CALLED\n",
- "COPY CONSTRUCTOR CALLED\n"
- ]
- }
- ],
- "prompt_number": 12
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 10.11, Page no: 242"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "'''\n",
- "Note : Python objects die when program gets exit.\n",
- "'''\n",
- "\n",
- "class Ratio:\n",
- " def __init__(self):\n",
- " print \"OBJECT IS BORN.\"\n",
- " def __del__(self):\n",
- " print \"OBJECT DIES.\"\n",
- "\n",
- "x = Ratio()\n",
- "print \"Now x is alive.\"\n",
- "print \"Now between blocks.\"\n",
- "y = Ratio()\n",
- "print \"Now y is alive.\"\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "OBJECT IS BORN.\n",
- "Now x is alive.\n",
- "Now between blocks.\n",
- "OBJECT IS BORN.\n",
- "Now y is alive.\n"
- ]
- }
- ],
- "prompt_number": 13
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 10.12, Page no: 244"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "class X:\n",
- " def __init(self):\n",
- " data = 0\n",
- "\n",
- "p = X()\n",
- "p.data = 22\n",
- "print \"p.data = \" , p.data , \" = \" , p.data\n",
- "p.data = 44\n",
- "print \" p.data = \" , p.data , \" = \" , p.data "
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "p.data = 22 = 22\n",
- " p.data = 44 = 44\n"
- ]
- }
- ],
- "prompt_number": 14
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 10.13, Page no: 244"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "class Node:\n",
- " def __init__(self,d,q=None):\n",
- " self.data = d\n",
- " self.next = q\n",
- "\n",
- "n = int(raw_input())\n",
- "q = Node(n)\n",
- "while True:\n",
- " n = int(raw_input())\n",
- " if n<=0:\n",
- " break\n",
- " p = Node(n, q)\n",
- " q = p\n",
- "k = p\n",
- "while k != None:\n",
- " print k.data , '->' , \n",
- " k = k.next\n",
- "print '*'\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "22\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "33\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "44\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "55\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "66\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "77\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "0\n"
- ]
- },
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "77 -> 66 -> 55 -> 44 -> 33 -> 22 -> *\n"
- ]
- }
- ],
- "prompt_number": 15
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 10.14, Page no: 246"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "'''\n",
- "Python does not support static data type.\n",
- "Python automatically handles local variable so we need not to delete it.\n",
- "'''\n",
- "count = 0\n",
- "class Widget:\n",
- " def __init__(self):\n",
- " global count\n",
- " count += 1\n",
- " \n",
- "w = Widget()\n",
- "x = Widget()\n",
- "print \"Now there are \" , count , 'widgets'\n",
- "if True:\n",
- " w = Widget()\n",
- " x = Widget()\n",
- " y = Widget()\n",
- " z = Widget()\n",
- " print \"Now there are\" , count , 'widgets' \n",
- "print \"Now there are \" , count , 'widgets'\n",
- "y = Widget()\n",
- "print \"Now there are \" , count , 'widgets'\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "OBJECT DIES.\n",
- "Now there are 2 widgets\n",
- "OBJECT DIES.\n",
- "Now there are 6 widgets\n",
- "Now there are 6 widgets\n",
- "Now there are 7 widgets\n"
- ]
- }
- ],
- "prompt_number": 16
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 10.15, Page no: 246"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "count = 0\n",
- "class Widget:\n",
- " def __init__(self):\n",
- " global count\n",
- " count += 1\n",
- " def numWidgets(self):\n",
- " global count\n",
- " return count\n",
- " \n",
- "w = Widget()\n",
- "x = Widget()\n",
- "print \"Now there are \" , w.numWidgets() , 'widgets'\n",
- "if True:\n",
- " w = Widget()\n",
- " x = Widget()\n",
- " y = Widget()\n",
- " z = Widget()\n",
- " print \"Now there are\" , w.numWidgets() , 'widgets' \n",
- "print \"Now there are \" , w.numWidgets() , 'widgets'\n",
- "y = Widget()\n",
- "print \"Now there are \" , w.numWidgets() , 'widgets'\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Now there are 2 widgets\n",
- "Now there are 6 widgets\n",
- "Now there are 6 widgets\n",
- "Now there are 7 widgets\n"
- ]
- }
- ],
- "prompt_number": 17
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 10.16, Page no: 247"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "count = 0\n",
- "class Widget:\n",
- " def __init__(self):\n",
- " global count\n",
- " count += 1\n",
- " def numWidgets(self):\n",
- " global count\n",
- " return count\n",
- " \n",
- "w = Widget()\n",
- "x = Widget()\n",
- "print \"Now there are \" , w.numWidgets() , 'widgets'\n",
- "if True:\n",
- " w = Widget()\n",
- " x = Widget()\n",
- " y = Widget()\n",
- " z = Widget()\n",
- " print \"Now there are\" , w.numWidgets() , 'widgets' \n",
- "print \"Now there are \" , w.numWidgets() , 'widgets'\n",
- "y = Widget()\n",
- "print \"Now there are \" , w.numWidgets() , 'widgets'"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Now there are 2 widgets\n",
- "Now there are 6 widgets\n",
- "Now there are 6 widgets\n",
- "Now there are 7 widgets\n"
- ]
- }
- ],
- "prompt_number": 18
- }
- ],
- "metadata": {}
- }
- ]
-}
\ No newline at end of file |