How to Append to File in OCaml - Code Snippet

(* Task: Append to File
(* Language: OCaml

let append_to_file() =
    (* Implementation for Append to File
    let result = ...; (* Initialize variable
    (* TODO: Implement core logic here
    (* Step 1: Prepare data
    (* Step 2: Process Append to File
    print_endline("Done");
;;