message = { :ok, "To improve is to change; to be perfect is to change often.", author: "Winston Churchill" } # use the elem function to read values from a tuple status = elem(message, 0) message = elem(message, 1) author = elem(message, 2)[:author] message = { :ok, "To improve is to change; to be perfect is to change often.", author: "Winston Churchill" } # set the values on status, message, and author with pattern matching { status, message, author: author } = message