content: import telnetlib
  import getpass
  
  host = sys.argv[1]
  
  username = raw_input('Username:')
  password = getpass.getpass()
  tn = telnetlib.Telnet(host)
  
  tn.read_until("login: ")
  tn.write(username + "\n")
  if password:
      tn.read_until("Password: ")
      tn.write(password + "\n")
  
  tn.write("ls\n")
  tn.write("exit\n")
  
  print(tn.read_all())
  