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Groups > comp.lang.python > #57899
| From | Terry Reedy <tjreedy@udel.edu> |
|---|---|
| Subject | Re: Slicing with negative strides |
| Date | 2013-10-29 06:21 -0400 |
| References | <526f45f8$0$6512$c3e8da3$5496439d@news.astraweb.com> <XnsA26858FD6F7E7duncanbooth@127.0.0.1> |
| Newsgroups | comp.lang.python |
| Message-ID | <mailman.1753.1383042093.18130.python-list@python.org> (permalink) |
On 10/29/2013 4:53 AM, Duncan Booth wrote: > Steven D'Aprano <steve@pearwood.info> wrote: > >> Does anyone here use slices (or range/xrange) with negative strides >> other than -1? >> >> E.g. sequence[2:15:-3] > > With any negative stride your example is just the empty sequence. The idea is that one would not have to reverse 2 and 15 to get a non-empty sequence. -- Terry Jan Reedy
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Slicing with negative strides Steven D'Aprano <steve@pearwood.info> - 2013-10-29 05:22 +0000
Re: Slicing with negative strides Duncan Booth <duncan.booth@invalid.invalid> - 2013-10-29 08:53 +0000
Re: Slicing with negative strides Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-10-29 09:34 +0000
Re: Slicing with negative strides Terry Reedy <tjreedy@udel.edu> - 2013-10-29 06:21 -0400
Re: Slicing with negative strides Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-10-29 11:04 +0000
Re: Slicing with negative strides Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-10-29 08:54 +0000
Re: Slicing with negative strides Martin Manns <mmanns@gmx.net> - 2013-11-04 00:15 +0100
Re: Slicing with negative strides Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-11-04 15:18 +0000
Re: Slicing with negative strides Peter Cacioppi <peter.cacioppi@gmail.com> - 2013-11-06 11:15 -0800
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