> With python I got IDLE, but I am not very comfortable with this.
> Please suggest, if we have any free ide for python development.
There are a lot of IDEs for Python.
One classic is WingIDE. Available for free is a "101" edition. Runs on
all major operating systems. Implemented itself in Python.
An editor that's completely implemented in Python is Editra. With
plugins you can turn it into an "almost IDE" as well.