013进程和线程【不理解】---100天学python

 

不理解

大神的github地址
https://github.com/jackfrued/Python-100-Days/blob/master/Day01-15/13.%E8%BF%9B%E7%A8%8B%E5%92%8C%E7%BA%BF%E7%A8%8B.md