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Groups > comp.lang.python > #4920

Re: dictionary size changed during iteration

From Paul Rubin <no.email@nospam.invalid>
Newsgroups comp.lang.python
Subject Re: dictionary size changed during iteration
References <4DAED72B.2030400@shopzeus.com> <mailman.644.1303306435.9059.python-list@python.org> <roy-FE896A.09154622042011@news.panix.com>
Date 2011-05-07 14:07 -0700
Message-ID <7xd3jukyn9.fsf@ruckus.brouhaha.com> (permalink)
Organization Nightsong/Fort GNOX

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Roy Smith <roy@panix.com> writes:
> changes = [ ]
> for key in d.iterkeys():
>   if is_bad(key):
>     changes.append(key)

    changes = list(k for k in d if is_bad(k))

is a little bit more direct.

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Re: dictionary size changed during iteration Paul Rubin <no.email@nospam.invalid> - 2011-05-07 14:07 -0700
  Re: dictionary size changed during iteration Roy Smith <roy@panix.com> - 2011-05-07 18:12 -0400
    Re: dictionary size changed during iteration Hans Mulder <hansmu@xs4all.nl> - 2011-05-08 21:32 +0200
      Re: dictionary size changed during iteration Paul Rubin <no.email@nospam.invalid> - 2011-05-08 12:42 -0700

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