On 1/10/2011 4:58 AM arun kumar said...
Hi Friends,

I'm Arun Kumar from India, Just a month ago i started learning
programming .learned some basics of python. I'm really enjoying
programming in python.

I have some doubts in python. When we write programs,we write some
import statements at the beginning of the code. how to know that we
should import something. How do we know that certain classes are in
particular module?

I found effbot's guide to the standard library helpful -- and although it's nor current, you'll still get a good idea of where things are at and how to use them. See http://effbot.org/zone/librarybook-index.htm

Also, experiment with help() from the python prompt. Once in the help system, type in 'modules' to see a list of installed available modules to explore, or a module name for more info on that module.

HTH,

Emile




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