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  • Python For Beginners

    ...Python's many libraries and the language reference for a complete (though somewhat dry) explanation of Python's syntax. If you are looking for common Python recipes and patterns, you can browse the ActiveState Python Cookbook Looking for Something Specific? If you want to know whether a particular application, or a library with particular functionality, is available in Python there are a number of possible sources of information. The Python web site provides a Python Package Index (also known ...

  • Release – Python 3.7.0a3

    Version: None

    Released: Dec. 5, 2017

    This is an early developer preview of Python 3.7 Major new features of the 3.7 series, compared to 3.6 Python 3.7 is still in development. This releasee, 3.7.0a3, is the third of four planned alpha releases. Alpha releases are intended to make it easier to test the …

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  • Python 1.6 License FAQ

    Python 1.6 License FAQ Python 1.6 License FAQ This FAQ addresses questions concerning the CNRI Open Source License and its impact on past and future Python releases. The text below has been approved for posting on the Python website and newsgroup by CNRI's president, Dr. Robert E. Kahn. The old Python license from CWI worked well for almost 10 years. Why a new license for Python 1.6? CNRI claims copyright in Python code and documentation from releases 1.3 through 1.6 inc...

  • Python 1.6 License FAQ

    Python 1.6 License FAQ Python 1.6 License FAQ This FAQ addresses questions concerning the CNRI Open Source License and its impact on past and future Python releases. The text below has been approved for posting on the Python website and newsgroup by CNRI's president, Dr. Robert E. Kahn. The old Python license from CWI worked well for almost 10 years. Why a new license for Python 1.6? CNRI claims copyright in Python code and documentation from releases 1.3 through 1.6 inc...

  • Release – Python 3.14.3

    Version: None

    Released: Feb. 3, 2026

    This is third maintenance release of Python 3.14 Python 3.14.3 is the third maintenance release of 3.14, containing around 299 bugfixes, build improvements and documentation changes since 3.14.2. Major new features of the 3.14 series, compared to 3.13 Some of the major new features and changes …

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  • Release – Python 3.8.15

    Version: None

    Released: Oct. 11, 2022

    This is a security release of Python 3.8 Note: The release you're looking at is Python 3.8.15, a security bugfix release for the legacy 3.8 series. Python 3.11 is now the latest feature release series of Python 3. Get the latest release of 3.11.x here. Security content …

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  • Release – Python 3.9.15

    Version: None

    Released: Oct. 11, 2022

    This is a security release of Python 3.9 Note: The release you're looking at is Python 3.9.15, a security bugfix release for the legacy 3.9 series. Python 3.11 is now the latest feature release series of Python 3. Get the latest release of 3.11.x here. Security content …

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  • Sponsor the PSF

    ...Python programming language and PyCon US. In addition to hosting PyCon US each year, we provide critical support for the Python language, ecosystem, and community: PYTHON: We hold Python’s IP; we host python.org where Python is downloaded millions of times daily; and we contribute directly to the language’s continuous improvement through our team of three CPython Developers-in-Residence. PYPI: We run the Python Package Index, a public service utilized by millions of users– supported by a fu...

  • Release – Python 3.9.22

    Version: None

    Released: April 8, 2025

    This is a security release of Python 3.9 Note: The release you're looking at is Python 3.9.22, a security bugfix release for the legacy 3.9 series. Python 3.13 is now the latest feature release series of Python 3. Get the latest release of 3.13.x here. Security content …

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  • PSF-2005-001 - SimpleXMLRPCServer.py allows unrestricted traversal

    ...Python 2.3.5 will be released from <a href="http://www.python.org" >www.python.org</a> within a few days containing a fix for this issue. Python 2.4.1 will be released later this month containing the same fix. Patches for Python 2.2, 2.3 and 2.4 are also immediately available:</p> <ul> <li> <a href="/files/news/security/PSF-2005-001/patch-2.2.txt" >http://python.org/files/news/security/PSF-2005-001/patch-2.2.txt</a> (Python 2.2) <...

  • Release – Python 3.11.11

    Version: None

    Released: Dec. 3, 2024

    This is a security release of Python 3.11 Note: The release you're looking at is Python 3.11.11, a security bugfix release for the legacy 3.11 series. Python 3.13 is now the latest feature release series of Python 3. Get the latest release of 3.13.x here. Security content …

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  • Release – Python 3.12.11

    Version: None

    Released: June 3, 2025

    This is a security release of Python 3.12 Note: The release you're looking at is Python 3.12.11, a security bugfix release for the legacy 3.12 series. Python 3.13 is now the latest feature release series of Python 3. Get the latest release of 3.13.x here. Security content …

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  • Release – Python 3.10.18

    Version: None

    Released: June 3, 2025

    This is a security release of Python 3.10 Note: The release you're looking at is Python 3.10.18, a security bugfix release for the legacy 3.10 series. Python 3.13 is now the latest feature release series of Python 3. Get the latest release of 3.13.x here. Security content …

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  • Release – Python 3.11.13

    Version: None

    Released: June 3, 2025

    This is a security release of Python 3.11 Note: The release you're looking at is Python 3.11.13, a security bugfix release for the legacy 3.11 series. Python 3.13 is now the latest feature release series of Python 3. Get the latest release of 3.13.x here. Security content …

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  • Python 2.4.1 - Bugs

    ...Python target directory contains a space in its name (e.g. C:\Program Files\python24). In this case, manually delete the shortcut, and create new shortcuts with the command "C:\Program Files\python24\pythonw.exe" and the command line options "C:\Program Files\python24\Lib\idlelib\idle.pyw" and "C:\Program Files\python24\Tools\scripts\pydocgui.pyw" This will not be a problem if Python is installed into its default location (i.e. c:\python24). IDLE now executes code ...

  • Bugs in Python 2.4.2

    ...Python target directory contains a space in its name (e.g. C:\Program Files\python24). In this case, manually delete the shortcut, and create new shortcuts with the command "C:\Program Files\python24\pythonw.exe" and the command line options "C:\Program Files\python24\Lib\idlelib\idle.pyw" and "C:\Program Files\python24\Tools\scripts\pydocgui.pyw" This will not be a problem if Python is installed into its default location (i.e. c:\python24). IDLE now executes code ...

  • Release – Python 3.9.14

    Version: None

    Released: Sept. 6, 2022

    This is a security release of Python 3.9 Note: The release you're looking at is Python 3.9.14, a security bugfix release for the legacy 3.9 series. Python 3.11 is now the latest feature release series of Python 3. Get the latest release of 3.11.x here. Security content …

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  • Release – Python 3.7.0a4

    Version: None

    Released: Jan. 9, 2018

    This is an early developer preview of Python 3.7 Python 3.7 is still in development. This releasee, 3.7.0a4, is the last of four planned alpha releases. Alpha releases are intended to make it easier to test the current state of new features and bug fixes and to test the …

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  • Help

    ...Python? Check out the Beginner's Guide. New to Python? Read the standard tutorial. Look for a suitable book from a growing list of titles. Looking for code? See the download page for links to the Python interpreter. Explore the development repository. Got a Python problem or question? First check the Python FAQs, with answers to many common, general Python questions. The Python Help category of the discuss.python.org website hosts usage questions and answers from the Python communit...

  • Release – Python 3.14.1

    Version: None

    Released: Dec. 2, 2025

    This is the first maintenance release of Python 3.14 Python 3.14.1 is the first maintenance release of 3.14, containing around 558 bugfixes, build improvements and documentation changes since 3.14.0. Major new features of the 3.14 series, compared to 3.13 Some of the major new features and …

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