python父类调用子类了解一下

class B(): def __init__(self): pass def start(self): print(self.parse()) class A(B): def __init__(self): B.__init__(self) def parse(self): return 123 if __name__ == '__main__': a = A() a.start()

转载于:https://www.cnblogs.com/c-x-a/p/10477241.html