takes a list of numbers as argument and returns a list of the squares of those numbers.
(square-list (list 1 2 3 4)) (1 4 9 16)
Here are two different definitions of
. Complete both of them by filling in the missing expressions:
(define (square-list items) (if (null? items) nil (cons <??> <??>))) (define (square-list2 items) (map <??> <??>))