How to Async Replace Substring in Racket - Code Snippet

; Task: Async Replace Substring
; Language: Racket

define async_replace_substring() (
    ; Implementation for Async Replace Substring
    define result = ...; ; Initialize variable
    ; TODO: Implement core logic here
    ; Step 1: Prepare data
    ; Step 2: Process Async Replace Substring
    displayln("Done");
)