Show how to iterate over the key-value pairs of an associative array, and print each pair out.

Also show how to iterate just over the keys, or the values, if there is a separate way to do that in your language.



See also

 Array
 Associative array: Creation, Iteration
 Collections
 Compound data type
 Doubly-linked list: Definition, Element definition, Element insertion, List Traversal, Element Removal
 Linked list
 Queue: Definition, Usage
 Set
 Singly-linked list: Element definition, Element insertion, List Traversal, Element Removal
 Stack


;; using an association list:
(setq alist '(("A" "a") ("B" "b") ("C" "c")))
 
;; list keys
(map first alist)
 
;; list values
(map last alist)
 
;; loop over the assocation list:
(dolist (elem alist)
  (println (format "%s -> %s" (first elem) (last elem))))