inferring a TypedDict from keyword args.
“I saw a video where a man puts the glasses on the bedside table and leaves the room.”
，详情可参考51吃瓜
I mean, this was one of the things that you put into Python 2.0 instead of 1.6 to make that distinction between the 1.6 release and the 2.0 release.
to more rapidly deprecate and replace functions that are confusing
// 3. 计算当日跨度：跨度 = 当前索引 - 上一个更大值的索引（栈空则为i+1）