How to perform 'SHA256 Hash' in OCaml.
(* Task: SHA256 Hash
(* Language: OCaml
let sha256_hash() =
(* Implementation for SHA256 Hash
let result = ...; (* Initialize variable
(* TODO: Implement core logic here
(* Step 1: Prepare data
(* Step 2: Process SHA256 Hash
print_endline("Done");
;;