Python 3.9.1 documentation
Welcome! This is the documentation for Python 3.9.1.
Parts of the documentation:
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What's new in Python 3.9?
or all "What's new" documents since 2.0
Tutorial
start here
Library Reference
keep this under your pillow
Language Reference
describes syntax and language elements
Python Setup and Usage
how to use Python on different platforms
Python HOWTOs
in-depth documents on specific topics
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Installing Python Modules
installing from the Python Package Index & other sources
Distributing Python Modules
publishing modules for installation by others
Extending and Embedding
tutorial for C/C++ programmers
Python/C API
reference for C/C++ programmers
FAQs
frequently asked questions (with answers!)
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Indices and tables:
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Global Module Index
quick access to all modules
General Index
all functions, classes, terms
Glossary
the most important terms explained
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Search page
search this documentation
Complete Table of Contents
lists all sections and subsections
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Meta information:
