On Sun, Nov 7, 2010 at 6:31 PM, Hugo Arts <hugo.yo...@gmail.com> wrote:
> <snip> > here's a list comprehension > >>> a = [x*2 for x in range(10)] > >>> a > [0, 2, 4, 6, 8, 10, 12, 14, 16, 18] > > here's the equivalent generator expression: > >>> a = (x*2 for x in range(10)) <snip> Since you're talking about generators and efficiency, it's probably a good idea to point out that range is only a generator in python 3.x. In python 2.x it creates a list. Wayne
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