class Init(object):

    def __init__(self, v):

        print("init")

        self.val = v

class Add2(Init):

    def __init__(self, val):

        print("Add2")

        super(Add2, self).__init__(val)

        print(self.val)

        self.val += 2

class Mult(Init):

    def __init__(self, val):

        print("Mult")

        super(Mult, self).__init__(val)

        self.val *= 5

class HaHa(Init):

   def __init__(self, val):

        print("哈哈")

        super(HaHa, self).__init__(val)

        self.val /= 5

class Pro(Add2,Mult,HaHa):    pass

class Incr(Pro):

    def __init__(self, val):

        super(Incr, self).__init__(val)

        self.val += 1

p = Incr(5)

print(p.val)

c = Add2(2)

print(c.val)