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Re: Exclude every nth element from list?

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From Gary Herron <gherron@digipen.edu>
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Subject Re: Exclude every nth element from list?
Date Sat, 26 Mar 2016 10:01:48 -0700
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On 03/26/2016 09:49 AM, beliavsky--- via Python-list wrote:
> I can use x[::n] to select every nth element of a list. Is there a one-liner to get a list that excludes every nth element?

Yes:

 >>> L=list(range(20))
 >>> [x   for i,x in enumerate(L)   if i%3 != 0]
[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 17, 19]


Gary Herron


-- 
Dr. Gary Herron
Department of Computer Science
DigiPen Institute of Technology
(425) 895-4418

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Exclude every nth element from list? beliavsky@aol.com - 2016-03-26 09:49 -0700
  Re: Exclude every nth element from list? Gary Herron <gherron@digipen.edu> - 2016-03-26 10:01 -0700
    Re: Exclude every nth element from list? beliavsky@aol.com - 2016-03-26 15:08 -0700
      Re: Exclude every nth element from list? Mark Lawrence <breamoreboy@yahoo.co.uk> - 2016-03-26 22:57 +0000
  Re: Exclude every nth element from list? Bob Gailer <bgailer@gmail.com> - 2016-03-26 13:03 -0400
  Re: Exclude every nth element from list? Erik <python@lucidity.plus.com> - 2016-03-26 17:06 +0000
  Re: Exclude every nth element from list? Vincent Vande Vyvre <vincent.vande.vyvre@telenet.be> - 2016-03-26 18:06 +0100
  Re: Exclude every nth element from list? Peter Otten <__peter__@web.de> - 2016-03-26 18:06 +0100
  Re: Exclude every nth element from list? Vincent Vande Vyvre <vincent.vande.vyvre@telenet.be> - 2016-03-26 18:12 +0100
  Re: Exclude every nth element from list? BartC <bc@freeuk.com> - 2016-03-26 17:50 +0000
  Re: Exclude every nth element from list? "Sven R. Kunze" <srkunze@mail.de> - 2016-03-29 15:45 +0200

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