KeyValueMap
KeyValueMap[f, assoc] applies f to each key-value pair and returns a list of results {f[key1, val1], f[key2, val2], ...}.
Examples
Transform an association into a list:
assoc = <|"a" -> 1, "b" -> 2, "c" -> 3|>
KeyValueMap[#1 <> ToString[#2] &, assoc]
(* {"a1", "b2", "c3"} *)
KeyValueMap[Rule, assoc]
(* {"a" -> 1, "b" -> 2, "c" -> 3} *)Please visit the official Wolfram Language Reference for more details.