python-类的继承

print(C.__bases__)  #返回父类；不包含祖宗类

继承搜索顺序：

                

           

 print(A.mro())     返回类A的搜索顺序

class D:
    age='d'
class B(D):
    # age='b'
    pass
class C(D):
    # age='c'
    pass
class A(B,C):
    # age='a'
    pass

print(A.mro())   返回类A的搜索顺序
#[<class '__main__.A'>, <class '__main__.B'>, <class '__main__.C'>, <class '__main__.D'>, <class 'object'>]

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