I added statements to print to standard out, but why not use a more sophisticated logging mechanism to keep track of which files have been uploaded and when?

我增加了打印到标准输出的语句，但是为什么不采用一个更加成熟的日志机制来记录文件上载的时间和地点？

youdao

The superordinate computer can "Process the data defers to the national standard request", "Preserve datas", "Print the measure reports" and "Manage files".

上位机主要功能是按照国家标准要求进行数据处理、保存数据、打印检测报告、文件管理等。

youdao