for bigginers to better understanding what CNN, RNN are, how they work using some simple and understandable examples...
the code is according to online course https://www.youtube.com/watch?v=eAtGqz8ytOI&list=PLjSwXXbVlK6IHzhLOMpwHHLjYmINRstrk
Besides, I found YouTube online course of Prof. Lee from National Taiwan University (NTU) is super clear for those who speak Chinese, can find some really interesting and valuable information from here: https://www.youtube.com/channel/UC2ggjtuuWvxrHHHiaDH1dlQ/videos