text: #!/usr/bin/python
  # -*- coding: utf-8 -*-
  
  import requests
  
  
  print(requests.utils.is_valid_cidr("192.168.1.1"))
  print(requests.utils.is_valid_cidr("192.168.1.1/24"))
  
  print(requests.utils.is_ipv4_address("192.168.1.1"))
  print(requests.utils.is_ipv4_address("192.168.1.1/24"))
  
  print(requests.utils.address_in_network('192.168.1.1', '192.168.1.1/24'))
  