Object-oriented programming in Python

Preface vii I Fundamental Topics 3 1 Cornerstones of Computing 5 1.1 Data and Types 5 1.2 Operations, Functions, and Algorithms 6 1.3 High-Level Programming Languages 10 1.4 The Object-Oriented Paradigm 12 1.5 Design and Modeling 23 1.6 Chapter Review 25 2 Getting Started in Python 31 2.1 The Python Interpreter 31 2.2 Using Objects: the list Class 32 2.3 Other Sequence Classes: str and tuple 49 2.4 Numeric Types: int, long, and float 58 2.5 Type Conversions 60 2.6 Calling Functions 61 2.7 Python Modules 62 2.8 Expressions 64 2.9 Using a File for Source Code 69 2.10 Case Study: Strings and Lists 75 2.11 Chapter Review 76 3 Getting Started with Graphics 89 3.1 The Canvas 90 3.2 Drawable Objects 93 3.3 Rotating, Scaling, and Flipping 103 3.4 Cloning 106 3.5 Case Study: Smiley Face 106 3.6 Layers 108 3.7 Animation 111 3.8 Graphical User Interfaces 113 3.9 Case Study: Flying Arrows 116 3.10 Chapter Review 120 4 Elementary Control Structures 125 4.1 For Loops 125 4.2 Case Study: DNA to RNA Transcription 135 4.3 Case Study: Drawing a Pyramid 136 4.4 Conditional Statements 140 4.5 List Comprehension 148 4.6 Chapter Review 149 5 Additional Control Structures 159 5.1 While Loops 160 5.2 Functions 166 5.3 Avoiding Duplicate Code 172 5.4 Case Study: Computing the Square Root 175 5.5 Error Checking and Exceptions 179 5.6 Case Study: Simulating a Chain under the Force of Gravity 185 5.7 Chapter Review 192 6 Defining Our Own Classes 203 6.1 A Simple Point Class 203 6.2 A Robust Point Class