List and tuple usage distinction??

[Peter Hansen]

Ishwar Rattan wrote:

> I am a little confused about a list and a tuple.
> 
> Both can have dissimilar data-type elements, can be returned
> by functions. The only difference that I see is that list is
> mutable and tuple is not (of course list have .append() etc.)
> 
> What is a possible scenario where one is preferred over the other?

Does this answer in the FAQ list help?

http://www.python.org/doc/faq/general.html#why-are-there-separate-tuple-and-list-data-types

-Peter