iterate each item in a list once

functionaliterator.clj

(def examplelist '(1 2 3 4 5))

(def newlist ())
  
(if (<= 0 (count examplelist)) 
  ;figure out a way to use let instead of an inline def here
  (do (conj newlist (+ 1 (peek examplelist))) (def examplelist (pop examplelist))))