Convenient Online Documentation?

[Peter Hansen]

Uriel Wittenberg wrote:
> 
> I'm new to Python. Is there some online documentation other than what's
> installed with the product? For example, something that lets you get a quick
> list of all string functions, then click on one to get details of syntax and
> usage?

Anything wrong with www.python.org/doc, and specifically 
http://www.python.org/doc/current/modindex.html ?

-Peter