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Re: Python 3 dict question

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dmitrey <dmitrey15@gmail.com> writes:

> hi all,
> suppose I have Python dict myDict and I know it's not empty.
> I have to get any (key, value) pair from the dict (no matter which
> one) and perform some operation.
> In Python 2 I used mere
> key, val = myDict.items()[0]
> but in Python 3 myDict.items() return iterator.
> Of course, I could use
> for key, val in myDict.items():
>    do_something
>    break
> but maybe there is any better way?

key, val = next(iter(myDict.items()))

http://docs.python.org/py3k/library/stdtypes.html#dictionary-view-objects

HTH,
Rob

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Python 3 dict question dmitrey <dmitrey15@gmail.com> - 2011-05-06 12:40 -0700
  Re: Python 3 dict question Chris Rebert <clp2@rebertia.com> - 2011-05-06 12:51 -0700
    Re: Python 3 dict question dmitrey <dmitrey15@gmail.com> - 2011-05-06 12:57 -0700
      Re: Python 3 dict question Ian Kelly <ian.g.kelly@gmail.com> - 2011-05-06 14:48 -0600
      Dictionary Views -- good examples?  [was Re: Python 3 dict question] Ethan Furman <ethan@stoneleaf.us> - 2011-05-06 15:49 -0700
        Re: Dictionary Views -- good examples?  [was Re: Python 3 dict question] Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2011-05-07 21:09 +1200
          Re: Dictionary Views -- good examples?  [was Re: Python 3 dict question] Thomas Rachel <nutznetz-0c1b6768-bfa9-48d5-a470-7603bd3aa915@spamschutz.glglgl.de> - 2011-05-08 11:23 +0200
      Re: Dictionary Views -- good examples? [was Re: Python 3 dict question] Ian Kelly <ian.g.kelly@gmail.com> - 2011-05-06 18:23 -0600
      Re: Dictionary Views -- good examples? [was Re: Python 3 dict question] Ethan Furman <ethan@stoneleaf.us> - 2011-05-10 10:18 -0700
  Re: Python 3 dict question Ian Kelly <ian.g.kelly@gmail.com> - 2011-05-06 14:02 -0600
  Re: Python 3 dict question Rob Wolfe <rw@smsnet.pl> - 2011-05-06 22:46 +0200
  Re: Python 3 dict question nirinA raseliarison <nirina.raseliarison@gmail.com> - 2011-05-06 14:18 -0700
  Re: Python 3 dict question Raymond Hettinger <python@rcn.com> - 2011-05-10 10:25 -0700

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