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Groups > comp.lang.python > #106180
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| From | Zachary Ware <zachary.ware+pylist@gmail.com> |
| Newsgroups | comp.lang.python |
| Subject | Re: Slice equivalent to dict.get |
| Date | Thu, 31 Mar 2016 14:28:47 -0500 |
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On Thu, Mar 31, 2016 at 12:51 PM, Terry Reedy <tjreedy@udel.edu> wrote: > On 3/31/2016 11:24 AM, Peter Otten wrote: >> try...except to the rescue: >> >>>>> def get(seq, index, default=None): >> >> ... try: return seq[index] >> ... except IndexError: return default > > > Replace IndexError with (IndexError, KeyError) and the functions works with > any subscriptable that raises either exception. Or use the superclass of both of those, LookupError, and also catch anything that uses that more generic name as well. -- Zach
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Slice equivalent to dict.get Steven D'Aprano <steve@pearwood.info> - 2016-04-01 02:07 +1100 Re: Slice equivalent to dict.get Peter Otten <__peter__@web.de> - 2016-03-31 17:24 +0200 Re: Slice equivalent to dict.get Ian Kelly <ian.g.kelly@gmail.com> - 2016-03-31 09:43 -0600 Re: Slice equivalent to dict.get "Sven R. Kunze" <srkunze@mail.de> - 2016-03-31 18:05 +0200 Re: Slice equivalent to dict.get Terry Reedy <tjreedy@udel.edu> - 2016-03-31 13:51 -0400 Re: Slice equivalent to dict.get Zachary Ware <zachary.ware+pylist@gmail.com> - 2016-03-31 14:28 -0500
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