Chris Angelico <ros...@gmail.com>: > On Wed, Sep 28, 2016 at 6:46 PM, Marko Rauhamaa <ma...@pacujo.net> wrote: >> I would have thought the point of sets is to have set semantics, just >> like the point of lists is to have list semantics. > > And set semantics are what, exactly? Membership is a primary one.
With sets, you can only check for membership. Lists are mappings that map indices to objects. > "Searching in a set" in the OP's language is a demonstration of the > 'in' operator, a membership/containment check. > > (Other equally important set semantics include intersection and union, > but membership inclusion checks are definitely up there among primary > purposes of sets.) Yes. However, membership is a feature of lists as well. Marko -- https://mail.python.org/mailman/listinfo/python-list
