How to use import statement for custom modules in Python

Question

I am very new to python programming and writing simple helloworld program by using python 3.3 on windows environoment.The helloworld program is saved as hello.py. So how can i

Answer 1

There is a directory DIR containing our module X: /DIR/X

import sys    
sys.path.insert(0,"DIR")
import X

This imports the module e.g. X =hello.