点击上方“Deephub Imba”,关注公众号,好文章不错过 !Python 对象的灵活性大家都知道，可以随时给对象添加属性： class User: pass u = User() u.name = "Alice" u.age = ...

from typing import Self class Grower: child: Self|None def __init__(self, id:int): self.id = id self.child = None def reproduce(self)->Self: self.child = Grower(self ...

There should only be one — and preferably only one — obvious way to do it”, says the Zen of Python. Yet there are areas where even seasoned programmers debate what the right or wrong way to do things ...