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