Question

plzz tell me how i get study martial for system software

Answer 1

You mean the material you can read to learn Python? It's here:
http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-00-introduction-to-computer-science-and-programming-fall-2008/readings/

Or do you mean how to download Python? That's here:
http://python.org/download/