python之多继承：
一个子类可以有多个父类
class father:
def demo(self):
pass
def test(self):
pass
class mother:
def demo(self):
pass
def test(self):
pass
class son(father,mother):
pass
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原创文章，作者：ItWorker，如若转载，请注明出处：https://blog.ytso.com/tech/pnotes/279012.html