If there are two files which have familiar name, then the answer is the one which name include "done"，or "ans.py" in each homework.
Course 1、2、4 have done , Course 5 done!
All homework have done !!!
由于Github有上传文件大小限制，对于作业中的一些资源，可以从完整课程资源中下载： 完整作业资源传送门