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Re: Exclude every nth element from list?

From BartC <bc@freeuk.com>
Newsgroups comp.lang.python
Subject Re: Exclude every nth element from list?
Date 2016-03-26 17:50 +0000
Organization A noiseless patient Spider
Message-ID <nd6hul$gie$1@dont-email.me> (permalink)
References <94237154-22af-4e64-85ee-9b4cf334fa6f@googlegroups.com>

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On 26/03/2016 16:49, beliavsky@aol.com wrote:
> I can use x[::n] to select every nth element of a list.

I would use x[n-1::n] if 'nth' means the 3rd element of 
[10,20,30,40,...] is 30. Otherwise every selection will include the 
first, no matter what n is.

-- 
Bartc

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Thread

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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