That module allows programmers to treat a string as an array of letters, either as numeric codes or as one-character strings. An example from the documentation.

该模块允许程序员将字符串当作字符数组对待，或者作为数字代码或者作为单字符字符串。

youdao

That module allows programmers to treat a string as an array of letters, either as numeric codes or as one-character strings. An example from the documentation.

该模块允许程序员将字符串当作字符数组对待，或者作为数字代码或者作为单字符字符串。

youdao