#coding: utf8

import os
hostname = "192.168.12.167" #host 1.3
response = os.system("ping -c 1  " + hostname)
#and then check the response...

if response == 0:
  hostname = "192.168.210.10"   # host 1.1
  response = os.system("ping -c 1 " + hostname)
#  print (ho, 'is down!')

if response != 0:
#  print (hostname, 'is down!')
  hostname = "192.168.100.2"   # host 1.2
  response = os.system("ping -c 1  " + hostname)

if response != 0:
  print (hostname, 'is down!')
# выполняем код 1.3

else:
# проверя
  hostname = "192.168.100.3"
  response = os.system("ping -c 1  " + hostname)


if response == 0:
  hostname = "192.168.10.110" #example
  response = os.system("ping -c 1  " + hostname)

if response != 0:
  hostname = "192.168.11.110" #example
  response = os.system("ping -c 1  " + hostname)

if response != 0:
  print (hostname, 'is up!')

else:
#  hostname = "1.1.1.1.1"
    print (hostname, 'is down!')