Any help is appreciated , I am working on a practice review for my class.

44. Given the following definition of a simple Scheme function called foo, (define (foo x) (if (null? x) x pty-base case (append (foo (cdr x)) (list (car x))))) what would be returned by (foo '(1234)) Note, 1) that append requires its last argument to be a list and then appends the first argument to it; 2) list creates a list