Starting Out with Python

Cover......Page 1
Title......Page 5
Copyright......Page 6
Contents in a Glance......Page 7
Contents......Page 9
Preface......Page 13
 1.1 Introduction......Page 21
 1.2 Hardware and Software......Page 22
 1.3 How Computers Store Data......Page 27
 1.4 How a Program Works......Page 32
 1.5 Using Python......Page 40
 2.1 Designing a Program......Page 51
 2.2 Input, Processing, and Output......Page 55
 2.3 Displaying Output with the print Function......Page 56
 2.4 Comments......Page 59
 2.5 Variables......Page 60
 2.6 Reading Input from the Keyboard......Page 69
 2.7 Performing Calculations......Page 73
 2.8 More About Data Output......Page 85
 3.1 The if Statement......Page 101
 3.2 The if-else Statement......Page 110
 3.3 Comparing Strings......Page 113
 3.4 Nested Decision Structures and the if-elif-else Statement......Page 117
 3.5 Logical Operators......Page 125
 3.6 Boolean Variables......Page 131
 4.1 Introduction to Repetition Structures......Page 141
 4.2 The while Loop: A Condition-Controlled Loop......Page 142
 4.3 The for Loop: A Count-Controlled Loop......Page 150
 4.4 Calculating a Running Total......Page 161
 4.5 Sentinels......Page 164
 4.6 Input Validation Loops......Page 167
 4.7 Nested Loops......Page 172
 5.1 Introduction to Functions......Page 185
 5.2 Defining and Calling a Void Function......Page 188
 5.3 Designing a Program to Use Functions......Page 193
 5.4 Local Variables......Page 199
 5.5 Passing Arguments to Functions......Page 201
 5.6 Global Variables and Global Constants......Page 211
 5.7 Introduction to Value-Returning Functions: Generating Random Numbers......Page 215
 5.8 Writing Your Own Value-Returning Functions......Page 226
 5.9 The math Module......Page 237
 5.10 Storing Functions in Modules......Page 240
 6.1 Introduction to File Input and Output......Page 255
 6.2 Using Loops to Process Files......Page 272
 6.3 Processing Records......Page 279
 6.4 Exceptions......Page 292
 7.2 Introduction to Lists......Page 311
 7.3 List Slicing......Page 319
 7.4 Finding Items in Lists with the in Operator......Page 322
 7.5 List Methods and Useful Built-in Functions......Page 323
 7.6 Copying Lists......Page 330
 7.7 Processing Lists......Page 332
 7.8 Two-Dimensional Lists......Page 344
 7.9 Tuples......Page 348
 8.1 Basic String Operations......Page 359
 8.2 String Slicing......Page 367
 8.3 Testing, Searching, and Manipulating Strings......Page 371
 9.1 Dictionaries......Page 389
 9.2 Sets......Page 412
 9.3 Serializing Objects......Page 424
 10.1 Procedural and Object-Oriented Programming......Page 439
 10.2 Classes......Page 443
 10.3 Working with Instances......Page 460
 10.4 Techniques for Designing Classes......Page 482
 11.1 Introduction to Inheritance......Page 501
 11.2 Polymorphism......Page 516
 12.1 Introduction to Recursion......Page 527
 12.2 Problem Solving with Recursion......Page 530
 12.3 Examples of Recursive Algorithms......Page 534
 13.1 Graphical User Interfaces......Page 547
 13.2 Using the tkinter Module......Page 549
 13.3 Display Text with Label Widgets......Page 552
 13.4 Organizing Widgets with Frames......Page 555
 13.5 Button Widgets and Info Dialog Boxes......Page 558
 13.6 Getting Input with the Entry Widget......Page 561
 13.7 Using Labels as Output Fields......Page 564
 13.8 Radio Buttons and Check Buttons......Page 572
Appendix A Installing Python......Page 585
Appendix B Introduction to IDLE......Page 589
Appendix C The ASCII Character Set......Page 597
Appendix D Answers to Checkpoints......Page 599
 A......Page 615
 C......Page 616
 D......Page 618
 F......Page 619
 I......Page 621
 L......Page 623
 N......Page 624
 P......Page 625
 R......Page 629
 S......Page 630
 T......Page 632
 W......Page 633
 Z......Page 634
Credits......Page 635