[Tutor] What is `if __name__ == "__main__"` for?

[spawgi at gmail.com]

If the module is run as a program, then the __name__ is assigned the value
__main__ .
If the module is imported, then the value is not assigned.

Please see here -
http://stackoverflow.com/questions/419163/what-does-if-name-main-do

<http://stackoverflow.com/questions/419163/what-does-if-name-main-do>
On Fri, May 20, 2011 at 4:39 PM, Ganesh Kumar <bugcy013 at gmail.com> wrote:

> Hi Gurus,
>
> I am new python programming.. I see many programs
> if __name__ == '__main__':
>  when I check __name__ always eq __main__.
> what purpose use these structure.. please guide me..
>
> -Ganesh
>
> --
> Did I learn something today? If not, I wasted it.
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