On Wed, Aug 7, 2013 at 10:24 AM, Shiyao Ma <i...@introo.me> wrote: > Sorry. I don't quite get it. As you said, it first tries, > leftOperand.__eq__(rightOperand) then if it returns NotImplemented, it goes > to invoke rightOperand.__eq__(leftOperand). But for any reason, [] == () > returns false, why?
If neither of them has implemented a check, then it's assumed they're not equal. It wouldn't be helpful for the == operator to return anything other than True or False (except maybe NaN), so it returns False. ChrisA -- http://mail.python.org/mailman/listinfo/python-list
