I did some experiments myself and here are some points that can be useful for you.

电脑报 2012年很经典的一个系列 我自己买回来的 都卖疯了 里面内容很多 可以一看值得一看 对编程对计算机都能有一个更好的理解-A very classic series CPCW was set up in 2012 I bought myself Have crazy Content inside a lot of Can a look is worth a look For programming the computer can have a better understanding

This files gives you a very clear introduction to machine learning. This is made by myself.