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2008年11月17日 Raymond Hettinger <report@bugs.python.org>
>
> Raymond Hettinger <rhettinger@users.sourceforge.net> added the comment:
>
> Feature :-)
>
> You will get the expected result if you skip the step where you ran the
> for-loop over r before running list(). Either listing or for-looping
> will exhaust the iterator. This is how iterators work.
>
> ----------
> nosy: +rhettinger
> resolution: -> invalid
> status: open -> closed
>
> _______________________________________
> Python tracker <report@bugs.python.org>
> <http://bugs.python.org/issue4337>
> _______________________________________
>
Thanks for the reply and sorry for the noise. Indeed, you are right and for
some "strange personal reasons" (bad habits?), I frequently fall in this
trap.
 return i + 1
[1, 2, 3, 4]
>>>
Regards