作为一个老 Python 开发，看了这篇 3.13 的类型注解新特性解读之后，头有点冷： https://medium.com/techtofreedom/7-new-typing-features-in-python-3-13-58caae5f2f10?sk=6ee66766ba372ea1f62b44a0ef08012d
Whatever the world was like when I was 20 is perfect, everything before that is too old, everything after that is too new.
