A Byte of Python

This book will help you learn the Python programming language, if you are familiar with computers ….. . Problem Solving – Writing a Python script. ….

More PDF Content

A Byte of Python
Preface …x
Who This Book Is For …x
History Lesson … x
Status of the book … x
Official Website … xi
License Terms …xi
Feedback …xi
Something To Think About … xi
1. Introduction …1
Introduction …1
Features of Python … 1
Summary …2
Why not Perl? … 3
What Programmers Say …3
2. Installing Python … 4
For Linux/BSD users …4
For Windows Users …4
Summary …5
3. First Steps …6
Introduction …6
Using the interpreter prompt … 6
Choosing an Editor …6
Using a Source File …7
Output …7
How It Works …8
Executable Python programs …8
Getting Help … 9
Summary … 10
4. The Basics … 11
Literal Constants … 11
Numbers … 11
Strings … 11
Variables … 13
Identifier Naming … 13
Data Types … 14
Objects … 14
Output … 15
How It Works … 15
Logical and Physical Lines … 15
Indentation … 17
Summary … 18
5. Operators and Expressions … 19
Introduction … 19
Operators … 19
Operator Precedence … 21
Order of Evaluation … 22
Associativity … 22
Expressions … 22
Using Expressions … 22
Summary … 23
6. Control Flow … 24
Introduction … 24
The if statement … 24
Using the if statement … 24
How It Works … 25
The while statement … 26
Using the while statement … 26
The for loop … 27
Using the for statement … 27
The break statement … 28
Using the break statement … 28
The continue statement … 30
Using the continue statement … 30
Summary … 30
7. Functions … 32
Introduction … 32
Defining a Function … 32
Function Parameters … 32
Using Function Parameters … 33
Local Variables … 33
Using Local Variables … 34
Using the global statement … 34
Default Argument Values … 35
Using Default Argument Values … 35
Keyword Arguments … 36
Using Keyword Arguments … 37
The return statement … 37
Using the literal statement … 38
DocStrings … 38
Using DocStrings … 39
Summary … 40
8. Modules … 41
Introduction … 41
Using the sys module … 41
Byte-compiled .pyc files … 42
The from..import statement … 42
A module\’s __name__ … 42
Using a module\’s __name__ … 43
Making your own Modules … 43
Creating your own Modules … 43
from..import … 44
The dir() function … 45
Using the dir function … 45
Summary … 46
9. Data Structures … 47
Introduction … 47
List … 47
Quick introduction to Objects and Classes … 47
Using Lists … 47
Tuple … 49
Using Tuples … 49
Tuples and the print statement … 50
Dictionary … 51
Using Dictionaries … 51
Sequences … 53
Using Sequences … 53
References … 54
Objects and References … 55
More about Strings … 56
String Methods … 56
Summary … 57
A Byte of Python
10. Problem Solving – Writing a Python Script … 58
The Problem … 58
The Solution … 58
First Version … 58
Second Version … 60
Third Version … 61
Fourth Version … 63
More Refinements … 64
The Software Development Process … 65
Summary … 65
11. Object-Oriented Programming … 67
Introduction … 67
The self … 67
Classes … 68
Creating a Class … 68
object Methods … 69
Using Object Methds … 69
The __init__ method … 69
Using the __init__ method … 69
Class and Object Variables … 70
Using Class and Object Variables … 71
Inheritance … 73
Using Inheritance … 73
Summary … 75
12. Input/Output … 76
Files … 76
Using file … 76
Pickle … 77
Pickling and Unpickling … 77
Summary … 78
13. Exceptions … 79
Errors … 79
Try..Except … 79
Handling Exceptions … 79
Raising Exceptions … 80
How To Raise Exceptions … 81
Try..Finally … 82
Using Finally … 82
Summary … 83
14. The Python Standard Library … 84
Introduction … 84
The sys module … 84
Command Line Arguments … 84
More sys … 86
The os module … 86
Summary … 87
15. More Python … 88
Special Methods … 88
Single Statement Blocks … 88
List Comprehension … 89
Using List Comprehensions … 89
Receiving Tuples and Lists in Functions … 89
Lambda Forms … 90
Using Lambda Forms … 90
The exec and eval statements … 91
The assert statement … 91
The repr function … 91
Summary … 92
A Byte of Python
16. What Next? … 93
Graphical Software … 93
Summary of GUI Tools … 94
Explore More … 94
Summary … 95
A. Free/Libré and Open Source Software (FLOSS) … 96
B. About … 98
Colophon … 98
About the Author … 98
C. Revision History … 99
Timestamp … 99

Download A Byte of Python pdf from www.ibiblio.org, 110 pages, 337.07KB.