How to perform 'Async Append to File' in Lua.
-- Task: Async Append to File
-- Language: Lua
function async_append_to_file()
-- Implementation for Async Append to File
local result = ...; -- Initialize variable
-- TODO: Implement core logic here
-- Step 1: Prepare data
-- Step 2: Process Async Append to File
print("Done");
end