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  • 2018 PSF Annual Report

    2018 PSF Annual Report #wrapper { overflow: hidden; position: relative; } .resize-active * { -webkit-transition: none; transition: none; } h1, .h1 { line-height: 34px; margin-bottom: 27px; } h2, .h2 { color: #3776ab; line-height: 26px; display: block; } p, blockquote, time, em { line-height: 28px; } time { font-style: italic; } p { margin-bottom: 24px; text-align: justify; } a { -webkit-transition: color .3s ease-in-out; transiti...

  • Retired SIGS

    Retired SIGS These are SIGs that existed in the past but are no longer active. Their archives and home pages are retained. A retired SIG can be revived, using the same criteria as for creating a new SIG. Name Coordinator Description Info   catalog-sig A.M. Kuchling The Python software catalog archive March 2013 compiler-sig Jeremy Hylton Compiling and parsing Python Type checking, code generation archive May 2001 do-sig David Arnold Distributed Object Technologies archive A...

  • Python 2.2.1 license

    Python 2.2.1 license Python 2.2.1 license This is the official license for the Python 2.2.1 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 th...

  • Python 2.2.2 license

    Python 2.2.2 license Python 2.2.2 license This is the official license for the Python 2.2.2 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 th...

  • Python 2.2.3 license

    Python 2.2.3 license Python 2.2.3 license This is the official license for the Python 2.2.3 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 th...

  • Python 2.3 license

    Python 2.3 license Python 2.3 license This is the official license for the Python 2.3 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 Corp...

  • Python documentation by version

    Python documentation by version Some previous versions of the documentation remain available online. Use the list below to select a version to view. For unreleased (in development) documentation, see In development versions. Python 3.14.0, documentation released on 7 October 2025. Python 3.13.9, documentation released on 14 October 2025. Python 3.13.8, documentation released on 7 October 2025. Python 3.13.7, documentation released on 14 August 2025. Python 3.13.6, documentation released on 6...

  • Python 2.3.1 license

    Python 2.3.1 license Python 2.3.1 license This is the official license for the Python 2.3.1 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 th...

  • Python 2.3.2 license

    Python 2.3.2 license Python 2.3.2 license This is the official license for the Python 2.3.2 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 th...

  • Python 2.3.3 license

    Python 2.3.3 license Python 2.3.3 license This is the official license for the Python 2.3.3 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 th...

  • Python 2.3.4 license

    Python 2.3.4 license Python 2.3.4 license This is the official license for the Python 2.3.4 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 th...

  • Python 2.3.5 license

    Python 2.3.5 license Python 2.3.5 license This is the official license for the Python 2.3.5 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 th...

  • Python 2.3.6 license

    Python 2.3.6 license Python 2.3.6 license This is the official license for the Python 2.3.6 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 th...

  • Python 2.3.7 license

    Python 2.3.7 license Python 2.3.7 license This is the official license for the Python 2.3.7 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 th...

  • Python 2.4 license

    Python 2.4 license Python 2.4 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 Corp...

  • Python 2.4.2 license

    Python 2.4.2 license Python 2.4.2 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 ...

  • Python 2.4.3 license

    Python 2.4.3 license Python 2.4.3 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 ...

  • Python 2.4.4 license

    Python 2.4.4 license Python 2.4.4 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 ...

  • Python 2.4.4 license

    Python 2.4.4 license Python 2.4.4 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 ...

  • Python 2.4.4 license

    Python 2.4.4 license Python 2.4.4 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 ...

Python language documentation

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