python 腳本之 獲取遠程主機的hostname

import sys, socket
try:
  result = socket.gethostbyaddr("查詢的IP") #查詢完后獲得一個元組
  print (result)  #打印元組 例如：('mon-node1', [], ['10.101.0.95'])

  for item in result[2]:
    print " " + item