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


(put 'A 'foo 5)
(put 'A 'bar 10)
(put 'A 'baz 15)
 
: (getl 'A)                            # Get the whole property list
-> ((15 . baz) (10 . bar) (5 . foo))
 
: (mapcar cdr (getl 'A))               # Get all keys
-> (baz bar foo)
 
: (mapcar car (getl 'A))               # Get all values
-> (15 10 5)