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Python Essentials

You're reading from   Python Essentials Modernize existing Python code and plan code migrations to Python using this definitive guide

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Product type Paperback
Published in Jun 2015
Publisher Packt
ISBN-13 9781784390341
Length 298 pages
Edition 1st 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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Table of Contents (17) Chapters Close

Preface 1. Getting Started FREE CHAPTER 2. Simple Data Types 3. Expressions and Output 4. Variables, Assignment and Scoping Rules 5. Logic, Comparisons, and Conditions 6. More Complex Data Types 7. Basic Function Definitions 8. More Advanced Functions 9. Exceptions 10. Files, Databases, Networks, and Contexts 11. Class Definitions 12. Scripts, Modules, Packages, Libraries, and Applications 13. Metaprogramming and Decorators 14. Fit and Finish – Unit Testing, Packaging, and Documentation 15. Next Steps Index

Leveraging the standard library

When implementing Python solutions, it's helpful to scan the standard library for relevant modules. The library is large, making it somewhat intimidating at first. We can, however, focus our search.

We can break the Python Standard Library document into three portions. The first five chapters are general reference material that all Python programmers need to understand. The next 20 chapters, plus chapters 28 and 32, describe modules that we might incorporate into a wide variety of applications. The remaining chapters are less useful; they're more focused on Python internals and ways in which to extend the language itself.

The name and the summary of a module in the library table of contents may not provide enough information to see all of the ways in which a module might be used. The bisect module, for example, can be extended to create a fast dictionary that retains its keys in a defined order. This isn't obvious without careful reading of...

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