Source code for Python's modules

Question

Is it possible to view the source code of Python's functions like sum, zip and the like? I just want to know about the implementation.

Thanks.

Answer 1

You can download it here:

http://www.python.org/getit/source/

Answer 2

Source for builtins functions (like sum, zip, etc) are in http://hg.python.org/cpython/file/57c157be847f/Python/bltinmodule.c.

Answer 3

You cant see the code for the sum and zip because those are wrapper of c functions. But other module you can check on http://hg.python.org/cpython/file/2.7/Lib