{
"metadata": {
"name": "",
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"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"<h1>Chapter 3: The Basic Data Types<h1>"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"<h3>Example 3.1, Page Number: 35<h3>"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\n",
"def func():\n",
" x=-199 #local to func\n",
" print x #displays -199 \n",
" \n",
"x=10 #local to main\n",
"\n",
"func()\n",
"print x #displays 10\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"-199\n",
"10\n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"<h3>Example 3.2, Page Number: 37<h3>"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\n",
"def func1():\n",
" global count\n",
" print \"count: \",count #access global count\n",
" func2()\n",
"\n",
"def func2():\n",
" for count in range(3): #this is local variable\n",
" print '.',\n",
"\n",
" \n",
"count=None #global variables\n",
"\n",
"for i in range(10):\n",
" count=i*2\n",
" func1()\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"count: 0\n",
". . . count: 2\n",
". . . count: 4\n",
". . . count: 6\n",
". . . count: 8\n",
". . . count: 10\n",
". . . count: 12\n",
". . . count: 14\n",
". . . count: 16\n",
". . . count: 18\n",
". . .\n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"<h3>Example 3.3, Page Number: 40<h3>"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\n",
"from ctypes import *\n",
"\n",
"#Variable declaration\n",
"j=c_uint(60000)\n",
"i=c_int(60000)\n",
"\n",
"#Result\n",
"print i.value,j.value"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"60000 60000\n"
]
}
],
"prompt_number": 5
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"<h3>Example 3.4, Page Number: 41<h3>"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\n",
"for letter in xrange(ord('Z'),ord('A')-1,-1):\n",
" print chr(letter),\n",
" "
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Z Y X W V U T S R Q P O N M L K J I H G F E D C B A\n"
]
}
],
"prompt_number": 8
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"<h3>Example 3.5, Page Number: 44<h3>"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
" \n",
"print \"\\n\\\\\\b\"\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"\n",
"\\\b\n"
]
}
],
"prompt_number": 9
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"<h3>Example 3.6, Page Number: 45<h3>"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"def total(x):\n",
" sum=0\n",
" for i in xrange(1,x+1):\n",
" sum=sum+i\n",
" for count in range(10):\n",
" print '-',\n",
" print \"The current sum is\",sum\n",
" \n",
"print \"Computing summation of 5.\"\n",
"total(5)\n",
"\n",
"print \"Computing summation of 6.\"\n",
"total(6)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Computing summation of 5.\n",
"- - - - - - - - - - The current sum is 1\n",
"- - - - - - - - - - The current sum is 3\n",
"- - - - - - - - - - The current sum is 6\n",
"- - - - - - - - - - The current sum is 10\n",
"- - - - - - - - - - The current sum is 15\n",
"Computing summation of 6.\n",
"- - - - - - - - - - The current sum is 1\n",
"- - - - - - - - - - The current sum is 3\n",
"- - - - - - - - - - The current sum is 6\n",
"- - - - - - - - - - The current sum is 10\n",
"- - - - - - - - - - The current sum is 15\n",
"- - - - - - - - - - The current sum is 21\n"
]
}
],
"prompt_number": 2
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"<h3>Example 3.7, Page Number: 47<h3>"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"#Variable declaration\n",
"x=10\n",
"y=3\n",
"\n",
"print x/y #will display 3\n",
"print x%y #will display1, the remainder\n",
"\n",
"x=1\n",
"y=2\n",
"\n",
"#Result\n",
"print x/y,x%y #will display 0 1"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"3\n",
"1\n",
"0 1\n"
]
}
],
"prompt_number": 11
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"<h3>Example 3.8, Page Number: 51<h3>"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
" \n",
"def xor(a,b):\n",
" return (a or b)and(not(a and b))\n",
"\n",
"#User-input\n",
"print \"Enter P(0 or 1):\"\n",
"p=1 \n",
"print \"Enter Q(0 or 1):\"\n",
"q=0\n",
"\n",
"#Result\n",
"print \"P AND Q:\",(p and q)\n",
"print \"P OR Q:\",(p or q)\n",
"print \"P XOR Q:\",xor(p,q)\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter P(0 or 1):\n",
"Enter Q(0 or 1):\n",
"P AND Q: 0\n",
"P OR Q: 1\n",
"P XOR Q: True\n"
]
}
],
"prompt_number": 12
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"<h3>Example 3.9, Page Number: 54<h3>"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\n",
"for i in xrange(1,100+1):\n",
" print i,\"/ 2 is:\",float(i)/2\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"1 / 2 is: 0.5\n",
"2 / 2 is: 1.0\n",
"3 / 2 is: 1.5\n",
"4 / 2 is: 2.0\n",
"5 / 2 is: 2.5\n",
"6 / 2 is: 3.0\n",
"7 / 2 is: 3.5\n",
"8 / 2 is: 4.0\n",
"9 / 2 is: 4.5\n",
"10 / 2 is: 5.0\n",
"11 / 2 is: 5.5\n",
"12 / 2 is: 6.0\n",
"13 / 2 is: 6.5\n",
"14 / 2 is: 7.0\n",
"15 / 2 is: 7.5\n",
"16 / 2 is: 8.0\n",
"17 / 2 is: 8.5\n",
"18 / 2 is: 9.0\n",
"19 / 2 is: 9.5\n",
"20 / 2 is: 10.0\n",
"21 / 2 is: 10.5\n",
"22 / 2 is: 11.0\n",
"23 / 2 is: 11.5\n",
"24 / 2 is: 12.0\n",
"25 / 2 is: 12.5\n",
"26 / 2 is: 13.0\n",
"27 / 2 is: 13.5\n",
"28 / 2 is: 14.0\n",
"29 / 2 is: 14.5\n",
"30 / 2 is: 15.0\n",
"31 / 2 is: 15.5\n",
"32 / 2 is: 16.0\n",
"33 / 2 is: 16.5\n",
"34 / 2 is: 17.0\n",
"35 / 2 is: 17.5\n",
"36 / 2 is: 18.0\n",
"37 / 2 is: 18.5\n",
"38 / 2 is: 19.0\n",
"39 / 2 is: 19.5\n",
"40 / 2 is: 20.0\n",
"41 / 2 is: 20.5\n",
"42 / 2 is: 21.0\n",
"43 / 2 is: 21.5\n",
"44 / 2 is: 22.0\n",
"45 / 2 is: 22.5\n",
"46 / 2 is: 23.0\n",
"47 / 2 is: 23.5\n",
"48 / 2 is: 24.0\n",
"49 / 2 is: 24.5\n",
"50 / 2 is: 25.0\n",
"51 / 2 is: 25.5\n",
"52 / 2 is: 26.0\n",
"53 / 2 is: 26.5\n",
"54 / 2 is: 27.0\n",
"55 / 2 is: 27.5\n",
"56 / 2 is: 28.0\n",
"57 / 2 is: 28.5\n",
"58 / 2 is: 29.0\n",
"59 / 2 is: 29.5\n",
"60 / 2 is: 30.0\n",
"61 / 2 is: 30.5\n",
"62 / 2 is: 31.0\n",
"63 / 2 is: 31.5\n",
"64 / 2 is: 32.0\n",
"65 / 2 is: 32.5\n",
"66 / 2 is: 33.0\n",
"67 / 2 is: 33.5\n",
"68 / 2 is: 34.0\n",
"69 / 2 is: 34.5\n",
"70 / 2 is: 35.0\n",
"71 / 2 is: 35.5\n",
"72 / 2 is: 36.0\n",
"73 / 2 is: 36.5\n",
"74 / 2 is: 37.0\n",
"75 / 2 is: 37.5\n",
"76 / 2 is: 38.0\n",
"77 / 2 is: 38.5\n",
"78 / 2 is: 39.0\n",
"79 / 2 is: 39.5\n",
"80 / 2 is: 40.0\n",
"81 / 2 is: 40.5\n",
"82 / 2 is: 41.0\n",
"83 / 2 is: 41.5\n",
"84 / 2 is: 42.0\n",
"85 / 2 is: 42.5\n",
"86 / 2 is: 43.0\n",
"87 / 2 is: 43.5\n",
"88 / 2 is: 44.0\n",
"89 / 2 is: 44.5\n",
"90 / 2 is: 45.0\n",
"91 / 2 is: 45.5\n",
"92 / 2 is: 46.0\n",
"93 / 2 is: 46.5\n",
"94 / 2 is: 47.0\n",
"95 / 2 is: 47.5\n",
"96 / 2 is: 48.0\n",
"97 / 2 is: 48.5\n",
"98 / 2 is: 49.0\n",
"99 / 2 is: 49.5\n",
"100 / 2 is: 50.0\n"
]
}
],
"prompt_number": 3
},
{
"cell_type": "code",
"collapsed": false,
"input": [],
"language": "python",
"metadata": {},
"outputs": []
}
],
"metadata": {}
}
]
}