newbie to python

[Chris Rebert]

On Sun, Oct 24, 2010 at 12:29 AM, Hrishikesh <hrishikeshp19 at gmail.com> wrote:
> I want to start python, I have just downloaded python compiler,

Most consider it an interpreter (though it does compile the source
code into high-level bytecode).

> Can
> somebody please tell me what python really is

A programming language. What's a question like that even mean?

> and explain its
> architecture,

Define "architecture" in this context.

> in what problems it is used

Various and sundry; it's a general-purpose language.
But see http://www.python.org/about/apps/

> and from where should I
> start?

The official tutorial of course.
If you downloaded version 2.x: http://docs.python.org/tutorial/
If you downloaded version 3.x: http://docs.python.org/py3k/

Regards,
Chris