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  • Job - Senior Software Language Engineer – Python

    Location: Westport, CT USA

    Senior Software Language Engineer – Python Location: CT / NY (Hybrid) (onsite 2 days per week in our CT location) Industry: Hedge Fund / Systematic Trading / Advanced Platform Engineering **NOT A CONTRACT ROLE. ** YOU MUST BE IN A FULL TIME ROLE CURRENTLY, (NO CONTRACTORS). About the Role A …

  • Release – Python 3.13.0a2

    Version: None

    Released: Nov. 21, 2023

    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, 3.13.0a2 is the second of seven planned alpha releases. Alpha releases are intended to make it easier to test the current state of …

  • Release – Python 3.14.0a4

    Version: None

    Released: Jan. 14, 2025

    Hello, three dot fourteen dot zero alpha four! 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, 3.14.0a4, is the fourth of seven planned alpha releases. Alpha releases are intended to make …

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  • Support Python in 2023!

    Support Python in 2023! It's our annual year-end PSF fundraiser and membership drive. There are two ways to join in: Donate to the PSF! Every dollar makes a difference. (Does every dollar also make a puppy’s tail wag? We make no promises, but maybe you should try, just in case?) DONATE TODAY Become a Supporting member! When you sign up as a Supporting Member of the PSF, you become a part of the PSF and help us sustain what we do with your annual support. You can sign up as ...

  • Release – Python 3.12.6

    Version: None

    Released: Sept. 6, 2024

    This is the sixth maintenance release of Python 3.12 Python 3.12 is the newest major release of the Python programming language, and it contains many new features and optimizations. 3.12.6 is the latest maintenance release, containing about 90 bugfixes, build improvements and documentation changes since 3.12.5. This is an expedited …

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  • Python Patterns - An Optimization Anecdote

    Python Patterns - An Optimization Anecdote Warning This page stays here for historical reasons and it may contain outdated or incorrect information. The other day, a friend asked me a seemingly simple question: what's the best way to convert a list of integers into a string, presuming that the integers are ASCII values. For instance, the list [97, 98, 99] should be converted to the string 'abc'. Let's assume we want to write a function to do this. The first version I came ...

  • Python Software Foundation: Minutes of the 1st Meeting of Board of Directors

    Python Software Foundation: Minutes of the 1st Meeting of Board of Directors The Python Software Foundation Minutes of the 1st Meeting of Board of Directors The Board of Directors of the Python Software Foundation (the "Corporation") held its first meeting on March 5, 2001 at the Hilton Long Beach in Long Beach, Calif. The directors attending were: Paul Everitt Greg Stein No directors were absent. On motion and by unanimous vote, Greg Stein was elected temporary Chairperson ...

  • Release – Python 3.13.0a3

    Version: None

    Released: Jan. 17, 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, 3.13.0a3, is the third of six planned alpha releases. Alpha releases are intended to make it easier to test the current state of …

  • Python Software Foundation: Minutes of Board of Directors Meeting (October 14, 2003)

    Python Software Foundation: Minutes of Board of Directors Meeting (October 14, 2003) The Python Software Foundation Minutes of Regular Meeting of the Board of Directors October 14, 2003 A regular meeting of the Python Software Foundation (the "PSF") Board of Directors was held over Internet Relay Chat at 18:00 GMT. Guido van Rossum, president of the Foundation and chairman of the Board, presided at the meeting. 1. Attendance The following members of the Board of Directors were present ...

  • Python Software Foundation: Press Release 22-Oct-2002

    Python Software Foundation: Press Release 22-Oct-2002 Python Software Foundation (PSF) Announces Python Version 2.2.2 New release enhances powerful programming language FREDERICKSBURG, Va., October 22 /PRNewswire/ The Python Software Foundation announces the release of version 2.2.2 of the Python programming language. This Maintenance Release introduces a number of enhancements to the language core and its standard libraries. "This release is an invaluable upgrade for all Py...

  • Member meeting at OSCON

    Member meeting at OSCON <p>There will be an extra PSF Member Meeting at the <a href="http://www.python.org/workshops/oscon2002"> O'Reilly Open Source Convention</A>, July 22-26 in San Diego. <p>We've reserved a room for the meeting: <br>Location: Marina II <br>Date: Wednesday, July 24 <br>Time: 8:00 - 10:00 pm <P>It is likely that only 8-10 PSF members will show up. This is not sufficient to make quoru...

  • Release – Python 3.11.6

    Version: None

    Released: Oct. 2, 2023

    This is the sixth maintenance release of Python 3.11 Python 3.11.6 is the newest major release of the Python programming language, and it contains many new features and optimizations. Major new features of the 3.11 series, compared to 3.10 Some of the new major new features and changes in Python …

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  • 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 …

  • Download Python 1.6 Windows Installer

    Download Python 1.6 Windows Installer <h2>Python 1.6</h2> <p>CNRI OPEN SOURCE LICENSE AGREEMENT</p> </center> <br><br> <p>IMPORTANT: PLEASE READ THE FOLLOWING AGREEMENT CAREFULLY.</p> <p>BY CLICKING ON "ACCEPT" WHERE INDICATED BELOW, OR BY COPYING, INSTALLING OR OTHERWISE USING PYTHON 1.6 SOFTWARE, YOU ARE DEEMED TO HAVE AGREED TO THE TERMS AND CONDITIONS OF THIS LICENSE AGREEMENT.</p> <p>1. This LICENSE AGREEMEN...

  • Release – Python 3.11.9

    Version: None

    Released: April 2, 2024

    This is the last bugfix release of the Python 3.11 series This is the ninth (and last) bugfix release of Python 3.11 Python 3.11.9 is the newest major release of the Python programming language, and it contains many new features and optimizations. Major new features of the 3.11 series, compared …

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  • Download Python 1.6 Source

    Download Python 1.6 Source <h2>Python 1.6</h2> <p>CNRI OPEN SOURCE LICENSE AGREEMENT</p> </center> <br><br> <p>IMPORTANT: PLEASE READ THE FOLLOWING AGREEMENT CAREFULLY.</p> <p>BY CLICKING ON "ACCEPT" WHERE INDICATED BELOW, OR BY COPYING, INSTALLING OR OTHERWISE USING PYTHON 1.6 SOFTWARE, YOU ARE DEEMED TO HAVE AGREED TO THE TERMS AND CONDITIONS OF THIS LICENSE AGREEMENT.</p> <p>1. This LICENSE AGREEMENT is betwee...

  • Release – Python 2.2.2

    Version: None

    Released: Oct. 14, 2002

    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 …

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  • 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...

  • PSF Fellows Roster

    PSF Fellows Roster Nominate a Fellow The criteria for PSF Fellows and how to nominate someone to be a Fellow can be found on our PSF Fellow main page. Fellows of the Python Software Foundation Fellows The year the fellow was elected is in parentheses. Aaron Yankey (2019) Abhijeet Mote (2025) Abigail Afi Gbadago (2025) Abigail Mesrenyame Dogbe (2019) Abhishek Mishra (2023) Adam Johnson (2024) Adrian Holovaty (2009) Aidis Stukas (2025) Aisha Bello (2017) Al Sweigart (2020) Alex Gaynor...

  • A Journey to Python

    A Journey to Python by Alex Martelli, 2006 recipient of the Frank Willison Award After a quarter century of experience in programming (once as a sideline of my main job as a hardware designer, at Texas Instruments and IBM Research, but as my main job for over half that time, at IBM Research and Cad.Lab/think3), I finally stumbled upon Python in 1999. This was thanks to the kind nagging of a friend and colleague whose judgment I respected and to whom I still feel grateful for his insistence (A...

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