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  • Release – Python 3.12.0a7

    Version: None

    Released: April 4, 2023

    This is an early developer preview of Python 3.12. Major new features of the 3.12 series, compared to 3.11 Python 3.12 is still in development. This release, 3.12.0a7 is the seventh and final alpha release of 3.12. Alpha releases are intended to make it easier to test the current …

  • Release – Python 3.13.0a4

    Version: None

    Released: Feb. 15, 2024

    This is an early developer preview of Python 3.13 Major new features of the 3.13 series, compared to 3.12 Python 3.13 is still in development. This release, 3.13.0a4, is the fourth of six planned alpha releases. Alpha releases are intended to make it easier to test the current state of …

  • Python 2.1.3

    Python 2.1.3 Python 2.1.3 - a bugfix release for Python 2.1 Note: This is not the most current Python version. See the download page for a more recent version. On April 8 2002, we're releasing Python 2.1.3 - a bugfix release of Python 2.1. This release has a small number of critical bug fixes. This is the final release of Python 2.1.3. While the most recent release of Python is 2.2, there are a couple of bugs that have come up since 2.1.2 was released, in particular one b...

  • Python 2.2.2

    Python 2.2.2 Python 2.2.2 Note: See Python 2.2.3 for a patch release which supersedes 2.2.2. Important: This release is vulnerable to the problem described in security advisory PSF-2006-001 "Buffer overrun in repr() of unicode strings in wide unicode builds (UCS-4)". This fix is included in Python 2.4.4 and Python 2.5. If you need to remain with Python 2.2, there's a patch available from the security advisory page. We are pleased to announce the release...

  • Contributing to the PSF

    Contributing to the PSF NOTE: The easiest and fastest way to sign a Contributor Agreement with the Python Software Foundation is to do it while you are submitting your first change to a Python-owned repository on GitHub. That's the recommended way as it is fully automated. The Contributor Agreement page you're looking at now is mainly intended for signing Contributor Agreements on behalf of organizations. The Contributor Agreement form hosted here is manually reviewed which takes time to...

  • Mission

    Mission The mission of the Python Software Foundation is to promote, protect, and advance the Python programming language, and to support and facilitate the growth of a diverse and international community of Python programmers. You can help fund the PSF by making a donation or becoming a member. The following is the official mission statement of the PSF: The Python Software Foundation (PSF) is a non-profit membership organization devoted to advancing open source technology related to the Py...

  • 👋 Hey Community Members!

    👋 Hey Community Members! More than 20 ways to get involved & stay informed! Watch any of these talks given about the PSF (most recent one is about PyPI presented by Ee, our Director of Infrastructure!) Want to financially support the PSF? Donate! Read our blog Sign up to receive our quarterly newsletter Follow us on Twitter or Mastodon Become a Basic member If you are already a Basic member, consider becoming a Contributing, Managing, and/or Supporting member. If you want to be a PSF Boar...

  • Release – Python 2.5.0

    Version: None

    Released: Sept. 19, 2006

    Python 2.5 was released on September 19th 2006. There's a bunch of places you can look for more information on what's new in this release -- see the "What's New" section further down this page. This is a final release, and should be suitable for production use. …

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  • Python 2.5 Release

    Python 2.5 Release Python 2.5 Python 2.5 has been replaced by a newer bugfix release of Python. Please download Python 2.5.6 instead. Python 2.5 was released on September 19th 2006. There's a bunch of places you can look for more information on what's new in this release -- see the "What's New" section further down this page. This is a final release, and should be suitable for production use. PEP 356 includes the schedule and will be updated as the schedule evolves. At this point, ...

  • Release – Python 3.9.7

    Version: None

    Released: Aug. 30, 2021

    This is the seventh maintenance release of Python 3.9 Note: The release you're looking at is Python 3.9.7, a 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. There's been 187 commits …

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  • Release – Python 3.9.12

    Version: None

    Released: March 23, 2022

    This is the twelfth maintenance release of Python 3.9 Note: The release you're looking at is Python 3.9.12, a 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. This is a special …

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  • Release – Python 3.12.0b3

    Version: None

    Released: June 19, 2023

    This is a beta preview of Python 3.12 Python 3.12 is still in development. This release, 3.12.0b3, is the third of four beta release previews of 3.12. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to prepare their …

  • Release – Python 3.13.0a5

    Version: None

    Released: March 12, 2024

    This is an early developer preview of Python 3.13 Major new features of the 3.13 series, compared to 3.12 Python 3.13 is still in development. This release, 3.13.0a5, is the fifth of six planned alpha releases. Alpha releases are intended to make it easier to test the current state of …

  • Release – Python 3.14.0a2

    Version: None

    Released: Nov. 19, 2024

    This is an early developer preview of Python 3.14 Major new features of the 3.14 series, compared to 3.13 Python 3.14 is still in development. This release, 3.14.0a2 is the second of seven planned alpha releases. Alpha releases are intended to make it easier to test the current state of …

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  • Python 2.4.1 license

    Python 2.4.1 license Python 2.4.1 license This is the official license for the Python 2.4 release: A. HISTORY OF THE SOFTWARE Python was created in the early 1990s by Guido van Rossum at Stichting Mathematisch Centrum (CWI, see http://www.cwi.nl) in the Netherlands as a successor of a language called ABC. Guido remains Python's principal author, although it includes many contributions from others. In 1995, Guido continued his work on Python at the Corporation for National Research Initiativ...

  • Release – Python 3.5.0a4

    Version: None

    Released: April 20, 2015

    Python 3.5.0a4 Python 3.5 has reached end-of-life. Python 3.5.10, the final release of the 3.5 series, is available here. Python 3.5.0a4 was released on April 20th, 2015. Major new features of the 3.5 series, compared to 3.4 Python 3.5 is still in development, and 3.5.0a4 is the fourth and final …

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  • Release – Python 3.12.0a4

    Version: None

    Released: Jan. 10, 2023

    This is an early developer preview of Python 3.12. Major new features of the 3.12 series, compared to 3.11 Python 3.12 is still in development. This release, 3.12.0a4 is the fourth of seven planned alpha releases. Alpha releases are intended to make it easier to test the current state …

  • Release – Python 3.12.0b4

    Version: None

    Released: July 11, 2023

    This is a beta preview of Python 3.12 Python 3.12 is still in development. This release, 3.12.0b4, is the final of four beta release previews of 3.12. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to prepare their …

  • Release – Python 3.13.0a6

    Version: None

    Released: April 9, 2024

    This is an early developer preview of Python 3.13 Major new features of the 3.13 series, compared to 3.12 Python 3.13 is still in development. This release, 3.13.0a6, is the sixth and last planned alpha release. Alpha releases are intended to make it easier to test the current state of …

  • Python for Mac OS X

    Python for Mac OS X Python for Mac OS X Python comes pre-installed on Mac OS X so it is easy to start using. However, to take advantage of the latest versions of Python, you will need to download and install newer versions alongside the system ones. The easiest way to do that is to install one of the binary installers for OS X from the Python Download page. Installers are available for the latest Python 3 and Python 2 releases that will work on all Macs that run Mac OS X 10.5 and later. Py...

Python language documentation

If you didn't find what you need, try your search in the Python language documentation.