Multiple Inheritance 2

# ---------------------------------
# Assume methods starting with underscore
# to be private. They are not mentioned
# in public API documentation

_totalPopulation = 0

class C1 :

    def __init__ (self) :
        global _totalPopulation
        _totalPopulation += 1
    #

    def say (self) :
        print ("C1: hello")
    #

    def _c1OnlySay (self) :
        print ("C1 says hi")
    #

    def _myName (self) :
        return "C1"
    #
#

class C2 :
    def __init__ (self) :
        global _totalPopulation
        _totalPopulation += 1
    #

    def say (self) :
        print ("C2: hello")
    #

    def _c2OnlySay (self) :
        print ("C2 says hello")
    #

    def _myName (self) :
        return "C2"
#

def talk (obj) :
    obj.say ()
#

def c1TalksToC2 (c1Obj, c2Obj) :
    c1Obj.say ()
    c2Obj.say ()
    c1Obj._c1OnlySay ()
    c2Obj._c2OnlySay ()
#

def totalPopulationOfC1AndC2 () :
    print ("Total Population of C1 and C2 is :", _totalPopulation)
#

#---------------- EVERYTHING BEFORE THIS IS CONSIDERED COMPILED -----------

class C3 (C1, C2) :
    def say (self) :
        # I want C2.say first and then C1.say twice
        C2.say (self)
        C1.say (self)
        C1.say (self)
    #
#

obj1 = C3 ()
obj2 = C3 ()
c1TalksToC2 (obj1, obj2)

totalPopulationOfC1AndC2 ()