python 面向对象 issubclass

判断是否 他的父类

class Foo(object):

    pass

obj = Foo()

class Boo(Foo):
    pass

class Coo(Boo):
    pass

obj = Boo()

print(issubclass(Boo, Foo))

print(issubclass(Boo, Coo))

'''
True
False
'''