How to perform 'Count Vowels' in OCaml.
(* Task: Count Vowels
(* Language: OCaml
let count_vowels() =
(* Implementation for Count Vowels
let result = ...; (* Initialize variable
(* TODO: Implement core logic here
(* Step 1: Prepare data
(* Step 2: Process Count Vowels
print_endline("Done");
;;