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