text: import telnetlib
  import sys
  
  HOST = sys.argv[1]
  user = sys.argv[2]
  password = sys.argv[3]
  
  tn = telnetlib.Telnet(HOST)
  
  tn.read_until(b"login: ")
  tn.write(user.encode('ascii') + b"\n")
  if password:
      tn.read_until(b"password: ")
      tn.write(password.encode('ascii') + b"\n")
  tn.read_until(b"#")
  tn.write(b"environment inhibit-alarms\n")
  tn.read_until(b"#")
  tn.write(b"show system cpu-load nt-a xml\n")
  
  print(tn.read_until(b"#").decode('ascii'))
  