A Python 3 Memo

Overview

The Python language and its ecosystem are more and more larger and complex … To stay efficient at programming, this web site offers a Python 3 memo, sometimes called cheat sheet, as well as code snippets, larger examples and a selection of key packages.

Introduction

To read first

What’s New In Python 3

Quick links to changes

References

The synthetic reference

Snippets

Code snippets

Larger Examples

Real examples

Key Packages

Most important packages

Top Links

Links you must know

Colophon

How to get sources and fill issues

Table of Contents

• 1. Introduction
  • 1.1. Design of the memo
  • 1.2. On which OS is made the memo ?
  • 1.3. How to get the page source ?
• 2. What’s New In Python 3
• 3. Memo
  • 3.1. Larger Examples
    • 3.1.1. PEP 342 – Coroutines via Enhanced Generators Example
  • 3.2. Memo Tools
    • 3.2.1. Pretty Print Tools
  • 3.3. References
    • 3.3.1. Annotations and Type Hints
    • 3.3.2. Comparisons
    • 3.3.3. Conditional Expressions
    • 3.3.4. Coroutines
    • 3.3.5. Data Model
    • 3.3.6. Decorators
    • 3.3.7. Exceptions
    • 3.3.8. Generators
    • 3.3.9. Lambda Expressions
    • 3.3.10. Lexical Analysis
    • 3.3.11. Litterals
    • 3.3.12. Loops
    • 3.3.13. Math
    • 3.3.14. Modules
    • 3.3.15. Scope
    • 3.3.16. Strings
    • 3.3.17. Unicode
    • 3.3.18. Unpacking
  • 3.4. Snippets
    • 3.4.1. Singletons
    • 3.4.2. System Administration
• 4. reStructuredText References
  • 4.1. SPHINX reStructuredText Primer
    • 4.1.1. Paragraphs
    • 4.1.2. Inline markup
    • 4.1.3. Lists and Quote-like blocks
    • 4.1.4. Source Code
    • 4.1.5. Tables
    • 4.1.6. Hyperlinks
    • 4.1.7. Sections
    • 4.1.8. Explicit Markup
    • 4.1.9. Directives
    • 4.1.10. Images
    • 4.1.11. Footnotes
    • 4.1.12. Citations
    • 4.1.13. Substitutions
    • 4.1.14. Comments
    • 4.1.15. Source encoding
    • 4.1.16. Gotchas
  • 4.2. The reStructuredText Cheat Sheet
    • 4.2.1. Section Structure
    • 4.2.2. Body Elements
    • 4.2.3. Inline Markup
    • 4.2.4. Directive Quick Reference
    • 4.2.5. Interpreted Text Role Quick Reference
  • 4.3. Syntax References
  • 4.4. How to extend reStructuredText
    • 4.4.1. Docutils API
• 5. Key Packages
  • 5.1. Databases
  • 5.2. GUI
  • 5.3. Web Frameworks
  • 5.4. Scientific Frameworks
• 6. Top Links
  • 6.1. References
• 7. Colophon
• 8. Proposals
  • 8.1. Code Highlight
  • 8.2. Banner
• 9. Legal Notice