is 2.16 on the ‘switch’ logical command which i never know before. it function can be written with a long list of if statement but switch can be really handy on another person (or yourself) to read and understand the code much easier.
● the most difficult would also be the 5.4, the switch timer, since the first homework assignment is to tweak this one to make it blink. so i have to know this code inside out to be able to tweak it. in it, i have to apply the concept of custom function that count the time and return the data back to the main loop (the concept from 