How to Async Count Vowels in Lua - Code Snippet

-- Task: Async Count Vowels
-- Language: Lua

function async_count_vowels() 
    -- Implementation for Async Count Vowels
    local result = ...; -- Initialize variable
    -- TODO: Implement core logic here
    -- Step 1: Prepare data
    -- Step 2: Process Async Count Vowels
    print("Done");
end