Jussi Piitulainen wrote: > Peter Otten writes: > > ... > >> def edges(items): >> first = last = next(items) >> for last in items: >> pass >> return [first, last] > > ... > >> However, this is infested with for loops. Therefore > > ... > >> I don't immediately see what to do about the for loop in edges(), so >> I'll use the traditional cop-out: Removing the last loop is left as an >> exercise... > > In the spirit of the exercise: > > def sekond(x, y): > return y > > def edges(items): # where items is a non-empty iterator > first = next(items) > last = functools.reduce(sekond, items, first) > return [first, last] > > Of course, right?
Yeah, reduce() is certainly the cherry on the itertools cake ;) -- https://mail.python.org/mailman/listinfo/python-list
