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Groups > comp.lang.python > #7606

Re: Dictionaries and incrementing keys

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On Tue, 14 Jun 2011 05:37:45 -0700 (PDT), AlienBaby wrote in
Message-Id: <078c5e9a-8fad-4d4c-b081-f69d0f57593d@v11g2000prk.googlegroups.com>:

> How do those methods compare to the one I normally use;
>
> try:
>  dict[key]+=1
> except:
>  dict[key]=1

This is a lot slower in percentage terms.  You should also qualify the
exception: except KeyError

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Dictionaries and incrementing keys Steve Crook <steve@mixmin.net> - 2011-06-14 10:57 +0000
  Re: Dictionaries and incrementing keys Peter Otten <__peter__@web.de> - 2011-06-14 13:16 +0200
    Re: Dictionaries and incrementing keys AlienBaby <matt.j.warren@gmail.com> - 2011-06-14 05:37 -0700
      Re: Dictionaries and incrementing keys Steve Crook <steve@mixmin.net> - 2011-06-14 12:53 +0000
        Re: Dictionaries and incrementing keys Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-06-14 13:26 +0000
    Re: Dictionaries and incrementing keys Steve Crook <steve@mixmin.net> - 2011-06-14 12:57 +0000
  Re: Dictionaries and incrementing keys Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-06-14 13:24 +0000
  Re: Dictionaries and incrementing keys Asen Bozhilov <asen.bozhilov@gmail.com> - 2011-06-14 09:30 -0700
  Re: Dictionaries and incrementing keys Raymond Hettinger <python@rcn.com> - 2011-06-25 01:13 -0700

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