codefire wrote: > I thought the 'is' operator was used to identify identical objects, > whereas the '==' operator checked equality. Well, I got a surprise > here: > > IDLE 1.1.3 >>>> a = 10 >>>> b = a >>>> a is b > True >>>> a == b > True >>>> c = 10 >>>> a == c > True >>>> a is c > True >>>> > > I was NOT expecting the last statement to return True! > > What am I missing?
One of the most severely beaten dead horses of python - small integers are cached by the interpreter. Maybe. Thus the above results. Google for a bazillion discussions on this. Diez -- http://mail.python.org/mailman/listinfo/python-list