Where are math.py and sys.py?

Question

I found all the other modules in Python33/Lib, but I can\'t find these. I\'m sure there are others \"missing\" too, but these are the only ones I\'ve noticed. They work just

Answer 1

These modules are not written in Python but in C. You can find them (at least on linux) in a subfolder of the lib-folder called lib-dynload.
The math module is then in a file math.cpython-33m.so (on windows probably with .dll instead of .so). The cpython-33m part is my python version (3.3).