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howto handle nested for

Neal Becker ndbecker2 at gmail.com
Fri Sep 28 11:52:36 EDT 2012 
Neal Becker wrote:

> I know this should be a fairly basic question, but I'm drawing a blank.
> 
> I have code that looks like:
>  
>   for s0 in xrange (n_syms):
>         for s1 in xrange (n_syms):
>             for s2 in xrange (n_syms):
>                 for s3 in xrange (n_syms):
>                     for s4 in range (n_syms):
>                         for s5 in range (n_syms):
> 
> Now I need the level of nesting to vary dynamically.  (e.g., maybe I need to
> add
> for  s6 in range (n_syms))
> 
> Smells like a candidate for recursion.  Also sounds like a use for yield.  Any
> suggestions?

Thanks for the suggestions: I found itertools.product is just great for this.
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