Exclude every nth element from list?
beliavsky at aol.com
beliavsky at aol.com
Sat Mar 26 18:08:24 EDT 2016
On Saturday, March 26, 2016 at 1:02:06 PM UTC-4, Gary Herron wrote:
> 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
Thanks to you and others who replied. I see that enumerate is a useful function.
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