import os
       from datetime import datetime
       print("Welcome to the Guestbook")
 (PNG) rint("7Sign the Guestbook
       print("------------------------")
       
       guestbook_path = "/mnt/floppy/Gopher/cgi-bin/guestbook.txt"
       if os.path.exists(guestbook_path):
           with open(guestbook_path) as f:
               for line in reversed(f.readlines()):
                   print(f"{line.strip()}")
       
       print(".")