On Fri, Oct 14, 2011 at 4:30 PM, Tim Chase <python.l...@tim.thechases.com> wrote: > On 10/14/11 17:20, Chris Angelico wrote: >> >> Try a list comprehension: >> >>>>> a = [2,4,5,6,3,9,10,34,39,59,20,15,13,14] >>>>> [i for i in a if i>=10 if i<=20] >> >> [10, 20, 15, 13, 14] > > The double-if is new to me. I thought it was an error when I first saw it, > but it seems to be legit syntax (or at least one that 2.7 tolerates, > intentionally or otherwise...). I think I'd make it clearer with either > > [i for i in a if i>=10 and i<=20] > > or even more clearly: > > [i for i in a if 10 <= i <= 20]
As long as we're nitpicking, I'll point out that "i" is an inappropriate variable name here, since it is normally used to denote indices, not data. That's why I used "x" in my response instead. ;-) Cheers, Ian -- http://mail.python.org/mailman/listinfo/python-list
