[Tutor] Iterating over sorted dictionary keys in one line
Kent Johnson
kent37 at tds.net
Sun Sep 18 19:30:04 CEST 2005
Marcin Komorowski wrote:
> I know that one of the ways to iterate over sorted dictionary keys is:
> keylist = dictionary.keys()
> keylist.sort()
> for key in keylist:
> ...
>
> Is there a way to do this in a single line. Something like this would
> be ideal:
> for key in dictionary.keys().soft():
Python 2.4 adds the sorted() function which returns a sorted copy of a list. You can say
for key in sorted(dictionary.keys()):
and since iterating a dictionary is the same as iterating its keys you can shorten this to
for key in sorted(dictionary):
Kent
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