code: def mac_address(self) -> str:
          
          mac_hex = [
              0x00, 0x16, 0x3e,
              self.random.randint(0x00, 0x7f),
              self.random.randint(0x00, 0xff),
              self.random.randint(0x00, 0xff),
          ]
          mac = map(lambda x: '%02x' % x, mac_hex)
          return ':'.join(mac)
docs: Generate a random MAC address.
  
          :return: Random MAC address.
  
          :Example:
              00:16:3e:25:e7:b1