相对元组内的值进行修改，报错：‘tuple' object does not support item assignment.
搜了之后才发现：元组可读不可写，list可读可写。
详细参照：
https://blog.csdn.net/qq_41368074/article/details/105739159
- assignment support object tuple 39assignment support object tuple object assign data options object assign string 39 assignable unxdefined 用途 三个object assign origin 39 xmlhttprequest supported aspect-ratio object-fit supports元素 体操 类型object tuple application supported content 39 39 attribute strftime object