Python 3 dict question

Rob Wolfe rw at smsnet.pl
Fri May 6 16:46:36 EDT 2011


dmitrey <dmitrey15 at 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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