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Modern Python Cookbook

You're reading from   Modern Python Cookbook 133 recipes to develop flawless and expressive programs in Python 3.8

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Product type Paperback
Published in Jul 2020
Publisher Packt
ISBN-13 9781800207455
Length 822 pages
Edition 2nd Edition
Languages
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Author (1):
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Steven F. Lott Steven F. Lott
Author Profile Icon Steven F. Lott
Steven F. Lott
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Toc

Table of Contents (18) Chapters Close

Preface 1. Numbers, Strings, and Tuples 2. Statements and Syntax FREE CHAPTER 3. Function Definitions 4. Built-In Data Structures Part 1: Lists and Sets 5. Built-In Data Structures Part 2: Dictionaries 6. User Inputs and Outputs 7. Basics of Classes and Objects 8. More Advanced Class Design 9. Functional Programming Features 10. Input/Output, Physical Format, and Logical Layout 11. Testing 12. Web Services 13. Application Integration: Configuration 14. Application Integration: Combination 15. Statistical Programming and Linear Regression 16. Other Books You May Enjoy
17. Index

Basics of Classes and Objects

The point of computing is to process data. We often encapsulate the processing and the data into a single definition. We can organize objects into classes with a common collection of attributes to define their internal state and common behavior. Each instance of a class is a distinct object with unique internal state.

This concept of state and behavior applies particularly well to the way games work. When building something like an interactive game, the user's actions update the game state. Each of the player's possible actions is a method to change the state of the game. In many games this leads to a lot of animation to show the transition from state to state. In a single-player arcade-style game, the enemies or opponents will often be separate objects, each with an internal state that changes based on other enemy actions and the player's actions.

On the other hand, when we think of a casino game, such as Craps, there are...

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