The second lecture covered up to page 27 of the first set of lecture slides.
You should have learned how to apply functions to data, combine or compose functions, and define new functions.
The reading assignment is to continue with chapters 1 to 3 of the textbook (see the previous post).
Remember: functional programming is is like poetry — whilst sometimes it may look obscure, it is concise, precise, and beautiful.
Links from today’s lecture: