;; Our basic centigrade to Fahrenheit function
(define centigrade-to-fahrenheit
       (lambda (c) (+ (* 1.8 c) 32)))

;; Takes a list l and recursively walks through converting each value
(define centigrade-to-fahrenheit-2
       (lambda (l) (if (null? l) null
                   (cons (centigrade-to-fahrenheit (car l)) ( centigrade-to-fahrenheit-2 (cdr l))))))

;; list of temps
(define temps '(0 20 40 60 80 100))