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更新时间 2026-11-13 13:40:42
Welcome to Python.org
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The core of extensible programming is defining functions. Python allows mandatory and optional arguments, keyword arguments, and even arbitrary argument lists. More about defining functions
Python knows the usual control flow statements that other languages speak — if, for, while and range — with some of its own twists, of course. More control flow tools
Lists (known as arrays in other languages) are one of the compound data types that Python understands. Lists can be indexed, sliced and manipulated with other built-in functions. More about lists
Calculations are simple with Python, and expression syntax is straightforward: the operators +, -, * and / work as expected; parentheses () can be used for grouping. More about simple math functions.
Experienced programmers in any other language can pick up Python very quickly, and beginners find the clean syntax and indentation structure easy to learn. Whet your appetite with our Python overview.
Python is a programming language that lets you work quickly and integrate systems more effectively. Learn More
Whether you're new to programming or an experienced developer, it's easy to learn and use Python.
Start with our Beginner’s Guide
Python source code and installers are available for download for all versions!
Latest: Python 3.15.2
Documentation for Python's standard library, along with tutorials and guides, are available online.
Looking for work or have a Python related position that you're trying to hire for? Our relaunched community-run job board is the place to go.
Abridging clinical conversations using Python by Nimshi Venkat and Sandeep Konam
The mission of the Python Software Foundation is to promote, protect, and advance the Python programming language, and to support and facilitate the growth of a diverse and international community of Python programmers. Learn more
Become a Member Donate to the PSF
Copyright ©2001-2026. Python Software Foundation Legal Statements Privacy Notice
The core of extensible programming is defining functions. Python allows mandatory and optional arguments, keyword arguments, and even arbitrary argument lists. More about defining functions
Python knows the usual control flow statements that other languages speak — if, for, while and range — with some of its own twists, of course. More control flow tools
Lists (known as arrays in other languages) are one of the compound data types that Python understands. Lists can be indexed, sliced and manipulated with other built-in functions. More about lists
Calculations are simple with Python, and expression syntax is straightforward: the operators +, -, * and / work as expected; parentheses () can be used for grouping. More about simple math functions.
Experienced programmers in any other language can pick up Python very quickly, and beginners find the clean syntax and indentation structure easy to learn. Whet your appetite with our Python overview.
Python is a programming language that lets you work quickly and integrate systems more effectively. Learn More
Whether you're new to programming or an experienced developer, it's easy to learn and use Python.
Start with our Beginner’s Guide
Python source code and installers are available for download for all versions!
Latest: Python 3.15.2
Documentation for Python's standard library, along with tutorials and guides, are available online.
Looking for work or have a Python related position that you're trying to hire for? Our relaunched community-run job board is the place to go.
Abridging clinical conversations using Python by Nimshi Venkat and Sandeep Konam
The mission of the Python Software Foundation is to promote, protect, and advance the Python programming language, and to support and facilitate the growth of a diverse and international community of Python programmers. Learn more
Become a Member Donate to the PSF
Copyright ©2001-2026. Python Software Foundation Legal Statements Privacy Notice
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