Open the file and add the code in bold face, shown below.

打开该文件并且添加用粗体显示的代码，如下所示。

youdao

This section should be bold face and written in all capitals.

这节内容要用粗体字并全部用大写字母写。

youdao

This section should be bold face and written in all capitals.

这节内容要用粗体字并全部用大写字母写。

youdao