[Python] 纯文本查看 复制代码class A:

def __init__(self, a, *args, **kwargs):

print('进入A')

self.a = a

print("A message:", self.a)

print('离开A')

class B(A):

def __init__(self, b, *args, **kwargs):

print('进入B')

super(B, self).__init__(*args, **kwargs)

self.b = b

print("B message:", self.b)

print('离开B')

class C(A):

def __init__(self, c, *args, **kwargs):

print('进入C')

super(C, self).__init__(*args, **kwargs)

self.c = c

print("C message:",self.c)

print('离开C')

class D(B, C):

def __init__(self, d, *args, **kwargs):

print('进入D')

super(D, self).__init__(*args, **kwargs)

self.d = d

print("D message:",self.d)

print('离开D')

def main():

# A(1)

# B(2, 3)

# C(4, 5)

D(6, 7, 8, 9)

if __name__ == '__main__':

main()