(def my-count (fn [lst]
(if (= lst())
0
(+ 1 (my-count(rest lst))))))
(println (my-count ‘(3 “Fred” :key 23.0)))
(println (my-count (range 7)))
(println (my-count ()))
(println (map my-count (list (range 3) (range 6) (range 7))))