Results

• Release – Python 3.13.1

  Version: None

  Released: Dec. 3, 2024

  This is the first maintenance release of Python 3.13 Python 3.13 is the newest major release of the Python programming language, and it contains many new features and optimizations compared to Python 3.12. 3.13.1 is the latest maintenance release, containing almost 400 bugfixes, build improvements and documentation changes since 3.13.0. …

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• Release – Python 3.13.4

  Version: None

  Released: June 3, 2025

  This is the fourth maintenance release of Python 3.13 Python 3.13 is the newest major release of the Python programming language, and it contains many new features and optimizations compared to Python 3.12. 3.13.4 is the latest maintenance release, containing a few important security fixes as well as around 300 …

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• Python Patterns - Implementing Graphs

  Python Patterns - Implementing Graphs Warning This page stays here for historical reasons and it may contain outdated or incorrect information. Change notes: 2/22/98, 3/2/98, 12/4/00: This version of this essay fixes several bugs in the code. 6/10/19: Retraction of find_shortest_path as "nearly optimal". 8/11/19: Fix accidental usage of find_graph() instead of find_path() Copyright (c) 1998, 2000, 2003, 2019 Python Software Foundation. All rights reserved. License...

• Python Software Foundation: Articles of Incorporation

  Python Software Foundation: Articles of Incorporation Articles of Incorporation of the Python Software Foundation State of Delaware Secretary of State Division of Corporations Filed 04:30 PM 02/20/2001 010084958 - 3359300 Certificate of Incorporation of Python Software Foundation The undersigned, acting as incorporators of a corporation under the Delaware General Corporation Law, adopt the following certificate of incorporation for such corporation: Article I Name The n...

• Release – Python 3.14.0a5

  Version: None

  Released: Feb. 11, 2025

  Here comes the antepenultimate alpha. 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, 3.14.0a5, is the fifth of seven planned alpha releases. Alpha releases are intended to make it easier to …

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• Release – Python 3.14.0b3

  Version: None

  Released: June 17, 2025

  It's 3.14 beta 3! https://www.python.org/downloads/release/python-3140b3/ This is a beta preview of Python 3.14 Python 3.14 is still in development. This release, 3.14.0b3, is the third of four planned beta releases. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and …

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• Release – Python 3.13.0rc3

  Version: None

  Released: Oct. 1, 2024

  This is the third release candidate of Python 3.13.0 This release, 3.13.0rc3, is the final release preview (no really) of 3.13. This release is expected to become the final 3.13.0 release, barring any critical bugs being discovered. The official release of 3.13.0 is now scheduled for Monday, 2024-10-07. This …

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• Release – Python 3.14.0b4

  Version: None

  Released: July 8, 2025

  It's the final 3.14 beta! https://www.python.org/downloads/release/python-3140b4/ This is a beta preview of Python 3.14 Python 3.14 is still in development. This release, 3.14.0b4, is the last of four planned beta releases. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes …

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• Python Success Stories

  Python Success Stories Introduction This is the story of Python at the Philips semiconductor manufacturing facility in Fishkill, NY. This facility, originally built by IBM, was acquired by Philips in 2000. I have been involved with this facility on and off for the past twelve years and was responsible for redesigning substantial portions of the factory tool control software using Python. In the early 1990s, the factory adopted an automation strategy based around Asyst Technology's tool loader...

• Python Software Foundation Public Records

  Python Software Foundation Public Records Incorporation Here is a transcript of the Articles of Incorporation. Bylaws Here are the PSF Bylaws. Board of Directors PSF Board Members & Officers Resolutions Meeting Minutes Python Software Foundation Policies: Conflict of Interest Policy Whistleblower Policy Python.org Email Policy PSF Staff Current staff IRS recognition of tax exempt status The PSF is a United States 501(c)(3) corporation domiciled in Delaware. Final determ...

• Release – Python 3.6.0a1

  Version: None

  Released: May 17, 2016

  Python 3.6.0a1 Python 3.6.0a1 was released on 2016-05-17. Major new features of the 3.6 series, compared to 3.5 Python 3.6 is still in development; 3.6.0a1 is the first of four planned alpha releases. Alpha releases are intended to make it easier to test the current state of new features and …

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• Release – Python 3.6.0a2

  Version: None

  Released: June 13, 2016

  Python 3.6.0a2 Python 3.6.0a2 was released on 2016-06-13. Major new features of the 3.6 series, compared to 3.5 Python 3.6 is still in development; 3.6.0a2 is the second of four planned alpha releases. Alpha releases are intended to make it easier to test the current state of new features and …

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• Release – Python 3.6.0a3

  Version: None

  Released: July 12, 2016

  Python 3.6.0a3 Python 3.6.0a3 was released on 2016-07-12. Major new features of the 3.6 series, compared to 3.5 Python 3.6 is still in development; 3.6.0a3 is the third of four planned alpha releases. Alpha releases are intended to make it easier to test the current state of new features and …

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• Release – Python 3.6.0a4

  Version: None

  Released: Aug. 15, 2016

  Python 3.6.0a4 Python 3.6.0a4 was released on 2016-08-15. Major new features of the 3.6 series, compared to 3.5 Python 3.6 is still in development; 3.6.0a4 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 …

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• Python Software Foundation: Missing 1023 form

  Python Software Foundation: Missing 1023 form The text of the letter from the IRS is below. You can also view a scanned image of the letter (118KB PNG; 1.1MB TIFF). Internal Revenue Service Date: May 6, 2004 Python Software Foundation c/o Zone Corporation 513 Prince Edward ST Fredericksberg, VA 22401-5742 Department of the Treasury P. 0. Box 2508 Cincinnati. OH 45201 Person to Contact: Ms. Dalton 31-07967 Customer Service Representative Toll Free Tel...

• Python Software Foundation: Minutes of Board of Directors Meeting (March 11, 2003)

  Python Software Foundation: Minutes of Board of Directors Meeting (March 11, 2003) The Python Software Foundation Minutes of Regular Meeting of the Board of Directors March 11, 2003 A regular meeting of the Python Software Foundation (the "PSF") Board of Directors was held over Internet Relay Chat at 7 p.m. EST. 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 at ...

• What's New In Python 3.0

  What's New In Python 3.0 (editors: check NEWS.help for information about editing NEWS using ReST.) What's New in Python 3.0 final Release date: 03-Dec-2008 Core and Builtins Issue #3996: On Windows, the PyOS_CheckStack function would cause the interpreter to abort ("Fatal Python error: Could not reset the stack!") instead of throwing a MemoryError. Issue #3689: The list reversed iterator now supports __length_hint__ instead of __len__. Behavior now matches other reversed ite...

• Python Success Stories

  Python Success Stories Background MayaVi is an open source scientific data visualization tool written entirely in Python. I started work on MayaVi in 2000. At that time, a few colleagues of mine needed to visualize their computational fluid dynamics (CFD) data but the only suitable tools available were commercial, closed source programs that were prohibitively expensive. We looked at some open source tools as alternatives. OpenDX had just been released to the public and at that time was har...

• Foreword for "Programming Python" (1st ed.)

  Foreword for "Programming Python" (1st ed.) Foreword for "Programming Python" (1st ed.) This is the foreword I wrote for Mark Lutz' book "Programming Python" (1st ed.), published by O'Reilly. See also my foreword to the 2nd edition. As Python's creator, I'd like to say a few words about its origins, adding a bit of personal philosophy. Over six years ago, in December 1989, I was looking for a "hobby" programming project that would keep me occupied during the we...

• Release – Python 3.7.0b1

  Version: None

  Released: Jan. 31, 2018

  This is a beta preview of Python 3.7 Python 3.7 is still in development. This release, 3.7.0b1, is the first of four planned beta release previews. Among the major new features in Python 3.7 are: PEP 538, Coercing the legacy C locale to a UTF-8 based locale PEP 539 …

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Python language documentation

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