CPython

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CPython

Original author(s)	Guido van Rossum
Developer(s)	Python core developers and the Python community, supported by the Python Software Foundation
Initial release	26 January 1994; 31 years ago (1994-01-26)
Stable release	3.13.3[1]  / 8 April 2025; 14 days ago (8 April 2025)
Repository	https://github.com/python/cpython
Written in	C, Python
Platform	42 platforms; see § Distribution
Available in	English
Type	Python Programming Language Interpreter
License	Python Software Foundation License
Website	www.python.org

CPython is the reference implementation of the Python programming language. Written in C and Python, CPython is the default and most widely used implementation of the Python language.

CPython can be defined as both an interpreter and a compiler as it compiles Python code into bytecode before interpreting it. It has a foreign function interface with several languages, including C, in which one must explicitly write bindings in a language other than Python.