On 5 February 2013 03:56, eryksun <eryk...@gmail.com> wrote: > On Mon, Feb 4, 2013 at 7:04 PM, Dave Angel <da...@davea.name> wrote: >>> Nope, in both Python 2 and 3 iterating over a dict directly just >>> provides the key. That's also how "if key in dict" works. > > A dict implements __contains__ for an efficient "in" test. In general, > the interpreter falls back to using iteration if a type lacks > __contains__.
I almost wrote this response but then I realised that Dave probably meant that "obj in dict" returns True if the dict has a key equal to obj rather than if the dict has a (key, value) pair equal to obj. Oscar _______________________________________________ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
