How to perform 'Async Check Leap Year' in Groovy.
// Task: Async Check Leap Year
// Language: Groovy
def async_check_leap_year() {
// Implementation for Async Check Leap Year
def result = ...; // Initialize variable
// TODO: Implement core logic here
// Step 1: Prepare data
// Step 2: Process Async Check Leap Year
println("Done");
}