(define (slow-max alon)
;; Assume a non-empty list of POSITIVE numbers
;; slowmax: (listof number) -> number
;; To find the maximum number in the list; 0 if empty list
(cond ((null? alon) 0)
(else (< (car alon) (max (cdr alon)))
(max (cdr alon))
(car alon)))))