itertools.count() as built-in

Alex Martelli aleax at mac.com
Mon May 29 18:10:22 CEST 2006


Duncan Smith <buzzard at urubu.freeserve.co.uk> wrote:

> jantod at gmail.com wrote:
> > Zipping an xrange? I'm having trouble visualizing how you do that to
> > avoid x*i+y.
> > 
> > -Janto
> > 
> 
> Something like,
> 
> >>> lis =  ['a', 'b', 'c', 'd']
> >>> y = 3
> >>> i = 7
> >>> for n, item in zip(xrange(y, len(lis)*i+y, i), lis):
>       print n, item

Actually I tend to use sys.maxint as the xrange's middle arg, but, yes,
this IS the general idea!-)


Alex



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