{
"metadata": {
"name": "",
"signature": "sha256:78ef4056dbbb5cf9345972f218d0d597af5ce86eb47594e9fba3eaa74e6511a9"
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 3 : Making statements"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.1, Page No 45"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"num = 8\n",
"letter = 'A'\n",
"if num > 5:\n",
" print \"Number exceeds five\"\n",
"else: \n",
" \"Number is five or less\"\n",
"if letter == 'A':\n",
" print \"Letter is A\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Number exceeds five\n",
"Letter is A\n"
]
}
],
"prompt_number": 3
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.2, Page No 47"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"num = 3\n",
"if num == 1:\n",
" print num,\" : Monday\"\n",
"elif num == 2:\n",
" print num,\" : Tuesday\"\n",
"elif num == 3:\n",
" print num,\" : Wednesday\"\n",
"elif num == 4:\n",
" print num,\" : Thursday\"\n",
"elif num == 5:\n",
" print num,\" : Friday\"\n",
"else:\n",
" print \"Weekend day\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"3 : Wednesday\n"
]
}
],
"prompt_number": 4
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.3, Page No 48"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"for i in range(1,4):\n",
" print \"Loop iteration: \",i\n",
" for j in range(1,4):\n",
" print \" Inner loop iteration: \",j"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Loop iteration: 1\n",
" Inner loop iteration: 1\n",
" Inner loop iteration: 2\n",
" Inner loop iteration: 3\n",
"Loop iteration: 2\n",
" Inner loop iteration: 1\n",
" Inner loop iteration: 2\n",
" Inner loop iteration: 3\n",
"Loop iteration: 3\n",
" Inner loop iteration: 1\n",
" Inner loop iteration: 2\n",
" Inner loop iteration: 3\n"
]
}
],
"prompt_number": 11
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.4, Page No 50"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"vec = range(10)\n",
"i = 0\n",
"print \n",
"while i < len(vec):\n",
" i = i + 1\n",
" if i == 3:\n",
" print \"| Skipped\",\n",
" continue\n",
" if i == 8:\n",
" print \"Done\"\n",
" break\n",
" vec[i-1] = i\n",
" print \"|\",vec[i-1],"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"\n",
"| 1 | 2 | Skipped | 4 | 5 | 6 | 7 Done\n"
]
}
],
"prompt_number": 17
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.5, Page No 53"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"def bodyTempC():\n",
" temperature = 37.0\n",
" return temperature\n",
"def bodyTempF():\n",
" temperature = 98.6\n",
" return temperature\n",
"print \"Centigrade: \",bodyTempC()\n",
"print \"Fahrenheit: \",bodyTempF()\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Centigrade: 37.0\n",
"Fahrenheit: 98.6\n"
]
}
],
"prompt_number": 18
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.6, Page No 54"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"def fToC(degreesF = 32.0):\n",
" degreesC = ((5.0/9.0) * (degreesF - 32.0))\n",
" return degreesC\n",
"fahrenheit = float(raw_input(\"Enter a Fahrenheit temperature:\\t\"))\n",
"centigrade = fToC(fahrenheit)\n",
"print fahrenheit,\"F is \",centigrade,\"C\"\n",
"print \"Freezing point: \",fToC(),\"C\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter a Fahrenheit temperature:\t98.6\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
" 98.6 F is 37.0 C\n",
"Freezing point: 0.0 C\n"
]
}
],
"prompt_number": 21
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.7, Page No 56"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"def computeArea(diameter):\n",
" radius = (diameter/2)\n",
" return (3.141593 * (radius * radius))\n",
"def computeArea(width,height):\n",
" return width * height\n",
"def computeArea(letter,width,height):\n",
" return ((width/2) * height)\n",
"num = float(raw_input(\"Enter dimension in feet: \"))\n",
"# python does not support overriding in this way\n",
"#area = computeArea(num)\n",
"#print \"Circle: Area = \",area,\" sq.ft.\"\n",
"#area= computeArea(num,num)\n",
"#print\"Square: Area = \",area,\" sq.ft.\"\n",
"area = computeArea('T',num,num)\n",
"print \"Triangle: Area = \",area,\" sq.ft.\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter dimension in feet: 4\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
" Triangle: Area = 8.0 sq.ft.\n"
]
}
],
"prompt_number": 4
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.8, Page No 58"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"def computeFactorials(num,max1):\n",
" print \"Factorial of \",num,\":\",\n",
" print factorial(num)\n",
" num = num + 1\n",
" if num > max1:\n",
" return 0\n",
" else :\n",
" computeFactorials(num,max1)\n",
"def factorial(n):\n",
" if n == 1:\n",
" result = 1\n",
" else:\n",
" result = (factorial(n - 1) * n)\n",
" return result\n",
"computeFactorials( 1, 8) ;"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Factorial of 1 : 1\n",
"Factorial of 2 : 2\n",
"Factorial of 3 : 6\n",
"Factorial of 4 : 24\n",
"Factorial of 5 : 120\n",
"Factorial of 6 : 720\n",
"Factorial of 7 : 5040\n",
"Factorial of 8 : 40320\n"
]
}
],
"prompt_number": 28
}
],
"metadata": {}
}
]
}