Results

• Release – Python 3.13.12

  Version: None

  Released: Feb. 3, 2026

  This is the twelfth maintenance release of Python 3.13 Note: This is Python 3.13.12, a maintenance release for Python 3.13. Python 3.14 is now the latest feature release series of Python 3. Get the latest release of 3.14.x here. Python 3.13.12 is the twelfth maintenance release of …

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• Release – Python 3.13.0

  Version: None

  Released: Oct. 7, 2024

  This is the stable release of Python 3.13.0 Python 3.13.0 is the newest major release of the Python programming language, and it contains many new features and optimizations compared to Python 3.12. (Compared to the last release candidate, 3.13.0rc3, 3.13.0 contains two small bug fixes and some documentation and …

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• Release – Python 3.13.2

  Version: None

  Released: Feb. 4, 2025

  This is the second 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. 3.13.2 is the latest maintenance release, containing almost 250 bugfixes, build improvements and documentation changes since …

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• 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 …

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• Release – Python 3.13.3

  Version: None

  Released: April 8, 2025

  This is the third 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. 3.13.3 is the latest maintenance release, containing almost 320 bugfixes, build improvements and documentation changes since …

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• Release – Python 3.13.6

  Version: None

  Released: Aug. 6, 2025

  This is the sixth 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. 3.13.6 is the sixth maintenance release of 3.13, containing around 200 bugfixes, build improvements and documentation …

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• Release – Python 3.13.8

  Version: None

  Released: Oct. 7, 2025

  This is the eighth maintenance release of Python 3.13 Python 3.13 is the newest previous major release of the Python programming language, and it contains many new features and optimizations compared to Python 3.12. 3.13.8 is the eighth maintenance release of 3.13, containing around 200 bugfixes, build improvements and …

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• Release – Python 3.13.10

  Version: None

  Released: Dec. 2, 2025

  This is the tenth maintenance release of Python 3.13 Python 3.13.10 is the tenth maintenance release of 3.13, containing around 300 bugfixes, build improvements and documentation changes since 3.13.9. Major new features of the 3.13 series, compared to 3.12 Some of the new major new features and …

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• Python Success Stories

  ...cripting and, as it turns out, Python enabled much more for ILM than just process control. Unlike Unix shell scripting, Python can be embedded whole as a scripting language within a larger software system. In this case, Python code can invoke specific functions of that system, even if those functions are written in C or C++. And C and C++ code can easily make calls back into Python code as well. Using this capability, ILM integrated Python into custom applications written in C or C++, such as I...

• 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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• 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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• Known bugs in Python 2.2

  ...cases an error condition raises a different exception (most common are cases where TypeError and AttributeError are swapped). </ul> <h3>Differences between classic classes and new-style classes</h3> <p>The following differences between classic and new-style classes may require attention when you are converting a classic class to a new-style class. Since previous versions of Python don't support new-style classes, these can't be considered to be real bugs, but since we've...

• Release – Python 3.13.5

  Version: None

  Released: June 11, 2025

  This is the fifth 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. 3.13.5 is the fifth maintenance release of 3.13. 3.13.5 is an expedited release to fix …

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• Release – Python 3.13.9

  Version: None

  Released: Oct. 14, 2025

  This is the ninth maintenance release of Python 3.13 Note: This is Python 3.13.9, a maintenance release for Python 3.13. Python 3.14 is now the latest feature release series of Python 3. Get the latest release of 3.14.x here. 3.13.9 is an expedited release containing a fix …

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• Release – Python 3.13.7

  Version: None

  Released: Aug. 14, 2025

  This is the seventh 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. 3.13.7 is the seventh maintenance release of 3.13. 3.13.7 is an expedited release to fix …

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• Release – Python 3.13.11

  Version: None

  Released: Dec. 5, 2025

  This is the eleventh maintenance release of Python 3.13 Note: This is Python 3.13.11, a maintenance release for Python 3.13. Python 3.14 is now the latest feature release series of Python 3. Get the latest release of 3.14.x here. Python 3.13.11 is the eleventh maintenance release of …

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• Python Success Stories

  ...ch a distinctive function. Application Server component architecture Zoom in Client Side The client runs a small software stack. This stack consists of a core and one or more toolkits. The toolkits form the interface between the Operating System of the client and the Client core. Backend The backend does the actual application processing and stores most of the application data and the entire state of the applications. The backend therefore is the place where the real action takes place. Th...

• Towards a Standard Parser Generator

  ...cond rule, a specific semantic action is defined, which is a call to ParsedExpr.ParsedUnionExpr, which in turn is a class of the abstract syntax. BisonGen will declare three variables in the Bison file, and insert the specified code snippet into the semantic action. Even though the build process of BisonGen applications has been dramatically simplified recently, the grammar specifications still look quite verbose. Integration with the lexical analysis follows the usual YACC conv...

• 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 …

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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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Python language documentation

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