Module import error

[Sagar]

First of all, please insert your code and your output inside respective tags.
Secondly when you write

import chaos

the name of the file in which choas code is written should be chaos.py
and it should be inside the current directory (from which you are importing the module).

If you could not place the chaos.py inside the current directory then you could update the system path, which is by default set to current directory in your code from which you are importing the chaos module.