python适配器模式-JZTXT

class A:
    def cost(self):
        print('cost a')


class B:
    def cost(self):
        print('cost b')


class MyAdapter:

    def __init__(self, obj):
        self.obj = obj

    def pay(self):
        self.obj.cost()


adt_a = MyAdapter(A())
adt_a.pay()

adt_b = MyAdapter(B())
adt_b.pay()