Chris Angelico <ros...@gmail.com>: > On Sat, Feb 15, 2014 at 8:43 AM, Marko Rauhamaa <ma...@pacujo.net> wrote: >> Unfortunately neither the "everything is a reference" model nor the >> "small/big" model help you predict the value of an "is" operator in >> the ambiguous cases. > > Can you give an example of an ambiguous case?
The "x is y" test may yield different outcomes in different, valid Python implementations: 4 is 4 (x,) is (x,) "hello" is "hello" Marko -- https://mail.python.org/mailman/listinfo/python-list