#实现代码复用
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# author：albert time:2019/4/19 0019

import copy


class MobilePhone:

    def __init__(self,cpu,screen):
        self.cpu = cpu
        self.screen = screen


class Cpu:

    def calculation(self):
        print('cpu',self)


class Screen:

    def show(self):
        print('screen',self)


m1 = MobilePhone(Cpu(),Screen())
m1.cpu.calculation()
m1.screen.show()

 

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