"anton muhin" wrote: > Stefan Behnel wrote: > > > > > > shark schrieb: > > > >> row = {"fname" : "Frank", "lname" : "Jones", "city" : "Hoboken", > >> "state" : > >> "Alaska"} > >> cols = ("city", "state") > >> > >> Is there a best-practices way to ask for an object containing only the > >> keys > >> named in cols out of row? In other words, to get this: > >> {"city" : "Hoboken", "state" : "Alaska"} > > > > > > Untested: > > > > dict( (key,value) for (key,value) in row.iteritems() if key in cols ) > > > > Works in Py2.4 > > > > Stefan > > Or dict((key, row[key]) for key in cols). > > regards, > anton.
I'm on Py 2.3.3, and neither of these appear to work. Can someone confirm? I can't see anything in the 2.4 release notes that point to where this would have changed. Thanks, shark -- http://mail.python.org/mailman/listinfo/python-list