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Re: Cycle around a sequence

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On Thu, Feb 9, 2012 at 7:33 PM, Peter Otten <__peter__@web.de> wrote:
> Chris Angelico wrote:
>
>> def cycle(seq,n):
>>         seq=iter(seq)
>>         lst=[next(seq) for i in range(n)]
>>         try:
>>                 while True: yield next(seq)
>>         except StopIteration:
>>                 for i in lst: yield i
>
> I think that should be spelt
>
> def cycle2(seq, n):
>    seq = iter(seq)
>    head = [next(seq) for i in range(n)]
>    for item in seq:
>        yield item
>    for item in head:
>        yield item

Thanks, yeah, don't know what I was thinking :) Too much C work lately!

ChrisA

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Thread

Cycle around a sequence Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-02-08 01:10 +0000
  Re: Cycle around a sequence Christoph Hansen <ch@radamanthys.de> - 2012-02-08 03:01 +0100
  Re: Cycle around a sequence Neil Cerutti <neilc@norwich.edu> - 2012-02-08 14:25 +0000
    Re: Cycle around a sequence Terry Reedy <tjreedy@udel.edu> - 2012-02-08 15:15 -0500
    Re: Cycle around a sequence Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-02-08 22:47 +0000
    Re: Cycle around a sequence Serhiy Storchaka <storchaka@gmail.com> - 2012-02-09 12:10 +0200
  Re: Cycle around a sequence Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-02-09 03:55 +0000
    Re: Cycle around a sequence Chris Angelico <rosuav@gmail.com> - 2012-02-09 15:16 +1100
    Re: Cycle around a sequence Peter Otten <__peter__@web.de> - 2012-02-09 09:33 +0100
    Re: Cycle around a sequence Chris Angelico <rosuav@gmail.com> - 2012-02-09 21:34 +1100

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