What does __ALL__ mean?

[sik0fewl]

Darren Watson wrote:
> Hi
> 
> I'm trying to find out what __ALL__ means near the top of the modules
> in the standard library.
> 
> As far as I can tell it lists functions and classes but how is this
> used?
> 
> Is this something I should put in my own modules?
> 
> Thanks for any help
> 
> Darren

See:
http://www.python.org/doc/current/tut/node8.html#SECTION008410000000000000000

I put it as a part of my modules, just so I know for sure what's going 
in and what's not.

-- 
Hope this helps,
Ryan