黑馬程序員python教程,8天python從入門到精通,學python看這套就
2023-08-18 16:53 作者:57701343980_bili | 我要投稿

class phone: __is_5g_enable = 0 def __check_5g__(self): print("正在通話中") def call_by_5g(self): if self.__is_5g_enable: print("5g開啟") else: print("5g關(guān)閉,使用4g網(wǎng)絡(luò)") self.__check_5g__() phone = phone() phone.call_by_5g()
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