> On 16 Nov 2018, at 14:54, Steve Keller <[email protected]> wrote:
> More elegant are generator expressions but I cannot think of a way
> without giving an upper limit:
>
> for i in (2 ** i for i in range(1000000)):
> ...
>
> which looks ugly. Also, the double for-loop (and also the two loops
> in the above exmaple, for + while in the generator) look unnatural,
> somehow, i.e. loop over all elements which are created by a loop.
>
> Is there a more beautyful way?
from itertools import count
for i in (2**n for n in count()):
....
In general itertools includes a lot of useful stuff, it's worth reading the
whole docs page: https://docs.python.org/3/library/itertools.html
<https://docs.python.org/3/library/itertools.html>
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