# Python 3.13.3 documentation

Welcome! This is the official documentation for Python 3.13.3.

Documentation sections:

What's new in Python 3.13? Or all "What's new" documents since Python 2.0 Tutorial Start here: a tour of Python's syntax and features Library reference
Standard library and builtins

Language reference
Syntax and language elements

Python setup and usage
How to install, configure, and use Python

Python HOWTOs
In-depth topic manuals

Installing Python modules
Third-party modules and PyPI.org

Distributing Python modules
Publishing modules for use by other people

Extending and embedding
For C/C++ programmers

Python's C API
C API reference

FAQs
Frequently asked questions (with answers!)

Deprecations
Deprecated functionality

Indices, glossary, and search:

Global module index All modules and libraries General index All functions, classes, and terms Glossary
Terms explained

Search page
Search this documentation

Complete table of contents
Lists all sections and subsections

Project information:

Reporting issues Contributing to Docs Download the documentation | History and license of Python Copyright About the documentation