How to Async Check Leap Year in Nim - Code Snippet

# Task: Async Check Leap Year
# Language: Nim

proc async_check_leap_year() =
    # Implementation for Async Check Leap Year
    var result = ...; # Initialize variable
    # TODO: Implement core logic here
    # Step 1: Prepare data
    # Step 2: Process Async Check Leap Year
    echo("Done");