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用户6589242306

#1 Created at ... [Delete] [Delete and Lock User]

本质很简单嘛，就是那个run_twice(animal)里面的animal根本不是特指类，写啥都行，当作object就行了呗

用户6589242306

#2 Created at ... [Delete] [Delete and Lock User]

那我有个疑问，如真的要指定形参是某个特定类咋办呀

呐n如

#3 Created at ... [Delete] [Delete and Lock User]

可以不需要是特指类,但需要传入的类拥有run方法

不爱搞学术的动漫爱好者

#4 Created at ... [Delete] [Delete and Lock User] 
def test(object:Animal):
  pass
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