August 19, 2024
P19 - Rotate a list N places to the left
Examples:* (rotate '(a b c d e f g h) 3)(D E F G H A B C)
* (rotate '(a b c d e f g h) -2)(G H A B C D E F)
Hint: Use the predefined functions length and append, as well as the result of problem P17.