python学习链接目录

并发编程(线程,进程,协程):

https://www.cnblogs.com/yuanchenqi/articles/6248025.html

 

socket编程:

http://www.cnblogs.com/linhaifeng/articles/6129246.html

 

selectors 实现上传和下载功能:

代码未完成

 

前端基础:

　　html:　　https://www.cnblogs.com/yuanchenqi/articles/5976755.html 

　　css:　　 https://www.cnblogs.com/yuanchenqi/articles/5977825.html

　　javascript: https://www.cnblogs.com/yuanchenqi/articles/5980312.html