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

I don't know about math, but sys is a runtime service for the interpretor, and hence always available. Check out this. You'll also find the list of built-ins from this page.

Also check out this topic, and you could try following links.