mitsuhiko

>>> class C(object):...     def __init__(self, val):...             self.val = val...     def __cmp__(self, other):...             return cmp(self.val, other.val)...>>> a = C("SPAM")>>> b = C("EGGS")>>> d = C("SPAM")>>> c = a>>> a is bFalse>>> a == bFalse>>> a == dTrue>>> a is dFalse>>> a is cTrue>>> a == cTrue