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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

Built-In Data Structures Part 2: Dictionaries

Python has a rich collection of built-in data structures. These data structures are sometimes called "containers" or "collections" because they contain a collection of individual items. These structures cover a wide variety of common programming situations.

In this chapter, we'll build on some of the basics introduced in Chapter 4, Built-In Data Structures Part 1: Lists and Sets. This chapter covers the dictionary structure. This is a mapping from keys to values, sometimes called an associative array.

This chapter will also look at some more advanced topics related to how Python handles references to mutable collection objects. This has consequences in the way functions need to be defined.

In this chapter, we'll look at the following recipes, all related to Python's built-in data structures:

  • Creating dictionaries – inserting and updating
  • Removing items...
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