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Latest Version
Python 3.12.3 LATEST
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Operating System
Mac OS X 10.9 or later
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Filename
python-3.12.3-macos11.pkg
Python runs on macOS, Windows, Linux/Unix, OS/2, Amiga, Palm Handhelds, and Nokia mobile phones. The tool has also been ported to the Java and .NET virtual machines. The app is distributed under an OSI-approved open source license that makes it free to use, even for commercial products.
Some of its key distinguishing features include:
- Very clear, readable syntax
- Strong introspection capabilities
- Intuitive object orientation
- Natural expression of procedural code
- Full modularity, supporting hierarchical packages
- Exception-based error handling
- Very high level dynamic data types
- Extensive standard libraries and third party modules for virtually every task
- Extensions and modules easily written in C, C++ (or Java for Jython, or .NET languages for IronPython)
- Embeddable within applications as a scripting interface
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Python 3.12.3 Screenshots
The images below have been resized. Click on them to view the screenshots in full size.
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What's new in this version:
New features:
- More flexible f-string parsing, allowing many things previously disallowed
- Support for the buffer protocol in Python code
- A new debugging/profiling API
- Support for isolated subinterpreters with separate Global Interpreter Locks
- Even more improved error messages. More exceptions potentially caused by typos now make suggestions to the user.
- Support for the Linux perf profiler to report Python function names in traces.
- Many large and small performance improvements (like PEP 709 and support for the BOLT binary optimizer), delivering an estimated 5% overall performance improvement.
Type annotations:
- New type annotation syntax for generic classes
- New override decorator for methods
Deprecations:
- The deprecated wstr and wstr_length members of the C implementation of unicode objects were removed, per PEP 623
- In the unittest module, a number of long deprecated methods and classes were removed. (They had been deprecated since Python 3.1 or 3.2).
- The deprecated smtpd and distutils modules have been removed (see PEP 594 and PEP 632. The setuptools package continues to provide the distutils module.
- A number of other old, broken and deprecated functions, classes and methods have been removed
- Invalid backslash escape sequences in strings now warn with SyntaxWarning instead of DeprecationWarning, making them more visible. (They will become syntax errors in the future.)
- The internal representation of integers has changed in preparation for performance enhancements. (This should not affect most users as it is an internal detail, but it may cause problems for Cython-generated code.)
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