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Date: Thu, 9 Feb 2012 21:34:45 +1100
Subject: Re: Cycle around a sequence
From: Chris Angelico <rosuav@gmail.com>
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Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:20064

On Thu, Feb 9, 2012 at 7:33 PM, Peter Otten <__peter__@web.de> wrote:
> Chris Angelico wrote:
>
>> def cycle(seq,n):
>> =A0 =A0 =A0 =A0 seq=3Diter(seq)
>> =A0 =A0 =A0 =A0 lst=3D[next(seq) for i in range(n)]
>> =A0 =A0 =A0 =A0 try:
>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 while True: yield next(seq)
>> =A0 =A0 =A0 =A0 except StopIteration:
>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 for i in lst: yield i
>
> I think that should be spelt
>
> def cycle2(seq, n):
> =A0 =A0seq =3D iter(seq)
> =A0 =A0head =3D [next(seq) for i in range(n)]
> =A0 =A0for item in seq:
> =A0 =A0 =A0 =A0yield item
> =A0 =A0for item in head:
> =A0 =A0 =A0 =A0yield item

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

ChrisA