1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
{
"metadata": {
"name": "Chapter 9"
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": "Chapter 9: Variable scope and functions"
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": "Example 9.1, Page number: 160"
},
{
"cell_type": "code",
"collapsed": false,
"input": "# Example 9.1.py\n# To illustrate the difference between temporary and permanent variables\n\n\n# Function declaration, calculation and result\ndef func() :\n if not hasattr(func, \"permanent\") :\n func.permanent = 1\n result = func.permanent\n func.permanent += 1\n return result\n\nfor counter in range (0, 3) :\n temporary = 1\n print ('Temporary %d Permanent %d' % (temporary, func()))\n temporary += 1",
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": "Temporary 1 Permanent 1\nTemporary 1 Permanent 2\nTemporary 1 Permanent 3\n"
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": "Example 9.3, Page number: 164"
},
{
"cell_type": "code",
"collapsed": false,
"input": "# Example 9.3.py\n# To compute the area of a triangle\n\n\n# Function declaration, calculation and result\ndef triangle (width, height) :\n area = width * height / 2.0\n return area\n\nprint ('Triangle #1 %f' % (triangle (1.3, 8.3)))\nprint ('Triangle #2 %f' % (triangle (4.8, 9.8)))\nprint ('Triangle #3 %f' % (triangle (1.2, 2.0)))",
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": "Triangle #1 5.395000\nTriangle #2 23.520000\nTriangle #3 1.200000\n"
}
],
"prompt_number": 2
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": "Example 9.4, Page number: 166"
},
{
"cell_type": "code",
"collapsed": false,
"input": "# Example 9.4.py\n# To compute the length of a string\n\n\n# Function declaration, calculation and result\ndef length (string) :\n return len(string)\n\nline = 'hello world' \n\nprint ('Length is: %d' % length(line))",
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": "Length is: 11\n"
}
],
"prompt_number": 4
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": "Example 9.6, Page number: 170"
},
{
"cell_type": "code",
"collapsed": false,
"input": "# Example 9.6.py\n# To compute the length of a string\n\n\n# Function declaration, calculation and result\ndef length (string) :\n return len(string)\n\nline = 'Steve Oualline'\n\nprint ('Length is: %d' % length(line))",
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": "Length is: 14\n"
}
],
"prompt_number": 5
}
],
"metadata": {}
}
]
}
|
