{
"metadata": {
"name": "",
"signature": "sha256:10a432341f6033fcf678cc580d953b0c94ad7350aa1431ba3e0517904d3e90c8"
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"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 8: More control statements"
]
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": [
"Example 8.1, Page number: 144"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\n",
"# Variable declaration\n",
"total = 0\n",
"counter = 0\n",
"\n",
"# Calculation\n",
"while (counter < 5) :\n",
" current = 3\n",
" total += current\n",
" counter += 1\n",
"\n",
"# Result\n",
"print ('The grand total is %d' % total)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The grand total is 15\n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": [
"Example 8.2, Page number: 145"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"# Variable declaration\n",
"total = 0\n",
"\n",
"# Calculation\n",
"for counter in range (0, 5) :\n",
" current = 5\n",
" total += current\n",
"\n",
"# Result\n",
"print ('The grand total is %d' % total)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The grand total is 25\n"
]
}
],
"prompt_number": 2
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": [
"Example 8.3, Page number: 146"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\n",
"# Variable declaration, calculation and result\n",
"for celsius in range (0, 101) :\n",
" print ('Celsius: %d Fahrenheit: %d' % (celsius, (celsius * 9) / 5 +32))"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Celsius: 0 Fahrenheit: 32\n",
"Celsius: 1 Fahrenheit: 33\n",
"Celsius: 2 Fahrenheit: 35\n",
"Celsius: 3 Fahrenheit: 37\n",
"Celsius: 4 Fahrenheit: 39\n",
"Celsius: 5 Fahrenheit: 41\n",
"Celsius: 6 Fahrenheit: 42\n",
"Celsius: 7 Fahrenheit: 44\n",
"Celsius: 8 Fahrenheit: 46\n",
"Celsius: 9 Fahrenheit: 48\n",
"Celsius: 10 Fahrenheit: 50\n",
"Celsius: 11 Fahrenheit: 51\n",
"Celsius: 12 Fahrenheit: 53\n",
"Celsius: 13 Fahrenheit: 55\n",
"Celsius: 14 Fahrenheit: 57\n",
"Celsius: 15 Fahrenheit: 59\n",
"Celsius: 16 Fahrenheit: 60\n",
"Celsius: 17 Fahrenheit: 62\n",
"Celsius: 18 Fahrenheit: 64\n",
"Celsius: 19 Fahrenheit: 66\n",
"Celsius: 20 Fahrenheit: 68\n",
"Celsius: 21 Fahrenheit: 69\n",
"Celsius: 22 Fahrenheit: 71\n",
"Celsius: 23 Fahrenheit: 73\n",
"Celsius: 24 Fahrenheit: 75\n",
"Celsius: 25 Fahrenheit: 77\n",
"Celsius: 26 Fahrenheit: 78\n",
"Celsius: 27 Fahrenheit: 80\n",
"Celsius: 28 Fahrenheit: 82\n",
"Celsius: 29 Fahrenheit: 84\n",
"Celsius: 30 Fahrenheit: 86\n",
"Celsius: 31 Fahrenheit: 87\n",
"Celsius: 32 Fahrenheit: 89\n",
"Celsius: 33 Fahrenheit: 91\n",
"Celsius: 34 Fahrenheit: 93\n",
"Celsius: 35 Fahrenheit: 95\n",
"Celsius: 36 Fahrenheit: 96\n",
"Celsius: 37 Fahrenheit: 98\n",
"Celsius: 38 Fahrenheit: 100\n",
"Celsius: 39 Fahrenheit: 102\n",
"Celsius: 40 Fahrenheit: 104\n",
"Celsius: 41 Fahrenheit: 105\n",
"Celsius: 42 Fahrenheit: 107\n",
"Celsius: 43 Fahrenheit: 109\n",
"Celsius: 44 Fahrenheit: 111\n",
"Celsius: 45 Fahrenheit: 113\n",
"Celsius: 46 Fahrenheit: 114\n",
"Celsius: 47 Fahrenheit: 116\n",
"Celsius: 48 Fahrenheit: 118\n",
"Celsius: 49 Fahrenheit: 120\n",
"Celsius: 50 Fahrenheit: 122\n",
"Celsius: 51 Fahrenheit: 123\n",
"Celsius: 52 Fahrenheit: 125\n",
"Celsius: 53 Fahrenheit: 127\n",
"Celsius: 54 Fahrenheit: 129\n",
"Celsius: 55 Fahrenheit: 131\n",
"Celsius: 56 Fahrenheit: 132\n",
"Celsius: 57 Fahrenheit: 134\n",
"Celsius: 58 Fahrenheit: 136\n",
"Celsius: 59 Fahrenheit: 138\n",
"Celsius: 60 Fahrenheit: 140\n",
"Celsius: 61 Fahrenheit: 141\n",
"Celsius: 62 Fahrenheit: 143\n",
"Celsius: 63 Fahrenheit: 145\n",
"Celsius: 64 Fahrenheit: 147\n",
"Celsius: 65 Fahrenheit: 149\n",
"Celsius: 66 Fahrenheit: 150\n",
"Celsius: 67 Fahrenheit: 152\n",
"Celsius: 68 Fahrenheit: 154\n",
"Celsius: 69 Fahrenheit: 156\n",
"Celsius: 70 Fahrenheit: 158\n",
"Celsius: 71 Fahrenheit: 159\n",
"Celsius: 72 Fahrenheit: 161\n",
"Celsius: 73 Fahrenheit: 163\n",
"Celsius: 74 Fahrenheit: 165\n",
"Celsius: 75 Fahrenheit: 167\n",
"Celsius: 76 Fahrenheit: 168\n",
"Celsius: 77 Fahrenheit: 170\n",
"Celsius: 78 Fahrenheit: 172\n",
"Celsius: 79 Fahrenheit: 174\n",
"Celsius: 80 Fahrenheit: 176\n",
"Celsius: 81 Fahrenheit: 177\n",
"Celsius: 82 Fahrenheit: 179\n",
"Celsius: 83 Fahrenheit: 181\n",
"Celsius: 84 Fahrenheit: 183\n",
"Celsius: 85 Fahrenheit: 185\n",
"Celsius: 86 Fahrenheit: 186\n",
"Celsius: 87 Fahrenheit: 188\n",
"Celsius: 88 Fahrenheit: 190\n",
"Celsius: 89 Fahrenheit: 192\n",
"Celsius: 90 Fahrenheit: 194\n",
"Celsius: 91 Fahrenheit: 195\n",
"Celsius: 92 Fahrenheit: 197\n",
"Celsius: 93 Fahrenheit: 199\n",
"Celsius: 94 Fahrenheit: 201\n",
"Celsius: 95 Fahrenheit: 203\n",
"Celsius: 96 Fahrenheit: 204\n",
"Celsius: 97 Fahrenheit: 206\n",
"Celsius: 98 Fahrenheit: 208\n",
"Celsius: 99 Fahrenheit: 210\n",
"Celsius: 100 Fahrenheit: 212\n"
]
}
],
"prompt_number": 3
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": [
"Example 8.4, Page number: 147"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"# Variable declaration\n",
"seven_count = 0\n",
"three_count = 0\n",
"data = []\n",
"\n",
"# Calculation\n",
"for i in range (0, 5) :\n",
" x = 7\n",
" data.append(int(x))\n",
"print (data)\n",
"\n",
"for index in range (0, 5) :\n",
" if data[index] == 3 :\n",
" three_count += 1\n",
"\n",
" if data[index] == 7 :\n",
" seven_count += 1\n",
"\n",
"# Result\n",
"print ('Threes %d Sevens %d' % (three_count, seven_count))"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"[7, 7, 7, 7, 7]\n",
"Threes 0 Sevens 5\n"
]
}
],
"prompt_number": 4
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": [
"Example 8.6, Page number: 149"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\n",
"# Variable declaration\n",
"result = 0\n",
"i = 0\n",
"\n",
"# Calculation and result\n",
"while (i < 3) :\n",
" print ('Result: %d' % result)\n",
" operator = '-'\n",
" value = 10\n",
"\n",
" if operator == 'q' or operator == 'Q' :\n",
" break\n",
"\n",
" elif operator == '+' :\n",
" result += value\n",
"\n",
" elif operator == '-' :\n",
" result -= value\n",
"\n",
" elif operator == '*' :\n",
" result *= value\n",
"\n",
" elif operator == '/' :\n",
" if value == 0 :\n",
" print ('Error: Divide by zero')\n",
" print ('operation ignored') \n",
" else :\n",
" result /= value\n",
"\n",
" else :\n",
" print ('Unknown operator %c' % operator)\n",
" i = i + 1"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Result: 0\n",
"Result: -10\n",
"Result: -20\n"
]
}
],
"prompt_number": 5
},
{
"cell_type": "code",
"collapsed": false,
"input": [],
"language": "python",
"metadata": {},
"outputs": []
}
],
"metadata": {}
}
]
}