How to perform 'Async Count Vowels' in Racket.
; Task: Async Count Vowels
; Language: Racket
define async_count_vowels() (
; Implementation for Async Count Vowels
define result = ...; ; Initialize variable
; TODO: Implement core logic here
; Step 1: Prepare data
; Step 2: Process Async Count Vowels
displayln("Done");
)