python diamond inheritance works

diamond.py

class A(object):
    def say(self):
        print "This is A"

class B(object):
    def say(self):
        print "This is B"

class C(A, B):
    def say(self):
        print "This is C"
        super(C, self).say()

C().say()

gistfile1.txt

$ python ~/foo.py
This is A
This is C
$