The for loop now iterates through the copy, while you're modifying the original list.

现在for 循环将迭代该副本，而对原始 list进行修改。

youdao

The for loop now iterates through the copy, while you're modifying the original list.

现在for 循环将迭代该副本，而对原始 list进行修改。

youdao