Those modules are parts of the standard library. As far as CPython is concerned, most of those modules are implemented in C, and therefore for practical purpos

Those modules are parts of the standard library. As far as CPython is concerned, most of those modules are implemented in C, and therefore for practical purposes part of the interpreter itself. > How can a language be released? If we really want to be pedantic, a new version of the language spec can be released. Translated to C++ terms, this is like if the ISO committee approved a change to the stl in the new standard.