class Parent1(object):
    def foo(self):
        print "P1 foo"

    def bar(self):
        print "P1 bar"


class Parent2(object):
    def foo(self):
        print "P2 foo"

    def bar(self):
        print "P2 bar"



class Child(Parent1, Parent2):
    def foo(self):
        Parent1.foo(self)

    def bar(self):
        Parent2.bar(self)

c = Child() 
c.foo()
c.bar()