· 12、阅读下面代码,写出输出结果。 class father: def speak(self): print("this is father speak") class son(father): def speak2(self): father.speak(self) print("this is son speak2") obj = son() obj.speak2() A.
this is father speak B.
this is father speak this is son speak2 C.
this is son speak2 D.
this is son speak2 this is father speak
this is father speak B.
this is father speak this is son speak2 C.
this is son speak2 D.
this is son speak2 this is father speak