How neural networks and LLMs work?

If you are looking to dive into machine learning, how neural networks and LLMs work underneath, this is a really good YouTube course to watch.

Really good chapters list:

1. But what is a neural network?
2. Gradient descent, how neural networks learn
3. What is backpropagation really doing?
4. Backpropagation calculus
5. How large language models work, a visual intro to transformers
6. Attention in transformers, visually explained
7. How might LLMs store facts

https://www.youtube.com/playlist?list=PLZHQObOWTQDNU6R1_67000Dx_ZCJB-3pi