#To define a particular parameter, replace the 'parameterName' inside itsm.getParameter('parameterName') with that parameter's name

import os
from subprocess import Popen,PIPE
command="ipconfig /release && ipconfig /renew"
response= Popen(command,stdin=PIPE,stderr=PIPE,universal_newlines=True)
out, err = response.communicate()
ret=response.returncode
if ret==0:
    if out:
        print out.strip()
    else:
        print ret
else:
    if err:
        print err.strip()
    else:
        print ret
print("Restart Your System To take Effect..")