Описание тега cpython
The reference implementation of the Python programming language. Use this tag for questions specific to this implementation, general Python questions should just be tagged with "python".
CPython is the default and most widely used implementation of the Python programming language. It is written in C.
In addition to CPython, there are several other production-quality Python implementations: jython, written in Java and ironpython, which is written for the Common Language Runtime. There are also several experimental implementations.
CPython is a bytecode interpreter. It has a foreign function interface with several languages including C, in which one must explicitly write bindings in a language other than Python.