67. 다중 상속과 super() 연쇄 호출 순서

1class Node:
2    def __init__(self):
3        self.log = []
4 
5    def tag(self):
6        return "N"
7 
8 
9class A(Node):
10    def __init__(self):
11        super().__init__()
12        self.log.append("A")
13 
14    def tag(self):
15        return "a"
16 
17 
18class B(Node):
19    def __init__(self):
20        super().__init__()
21        self.log.append("B")
22 
23    def tag(self):
24        return "b" + super().tag()
25 
26 
27class C(A, B):
28    def __init__(self):
29        super().__init__()
30        self.log.append("C")
31 
32 
33class D(B, A):
34    pass
35 
36 
37c = C()
38d = D()
39print(c.log, d.log)
40print(c.tag(), d.tag())
41print([k.__name__ for k in C.__mro__])