I have finished those exercises and share it to github, I sincerely hope that anyone would contribute any suggestion or any punishment to this work. I do hope to have opportunity to discuss this homework.
If you have any problem with those codes, please feel free to contact my by mailto: qilei.li@foxmail.com.
If this homework helps you, please give me a star, which will encourage me to continue this project.
Sincerely Thanks.