Python 3.11.9 documentation

Welcome! This is the official documentation for Python 3.11.9.

Documentation sections:

What's new in Python 3.11? 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!)

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