In the same spirit, what are the three learning algorithms to implement for learning? My to-do list has: 1) Refresher: RNNs, deep net classifier 2) LSTMS 3)

In the same spirit, what are the three learning algorithms to implement for learning? My to-do list has: 1) Refresher: RNNs, deep net classifier 2) LSTMS 3) Self Attention anything Any other suggestions for getting back in the loop?