How to get hostname by IP and get IP by hostname in python

• If you have IP address and you want hostname in network then

 from socket import *
 hostname=getfqdn(‘192.168.1.13’) 

         it will give you hostname of computer

• If you want hostname from IP address then

 from socket import *
 ip=gethostbyname_ex(‘hostname’)[2][0]
 

          It will provide IP address of hostname