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Re: Dictionaries and incrementing keys

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On Tue, 14 Jun 2011 13:16:47 +0200, Peter Otten wrote in
Message-Id: <it7fu4$rc5$1@solani.org>:

> Your way is usually faster than
>  
>> dict[key] = dict.get(key, 0) + 1

Thanks Peter, ran it through Timeit and you're right. It's probably also
easier to read the conditional version, even if it is longer.

> You may also consider
>
> http://docs.python.org/library/collections.html#collections.defaultdict
> http://docs.python.org/library/collections.html#collections.Counter

Useful functions, thanks again.

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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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