docs: def getLocalIPaddress():
      """visible to other machines on LAN"""
      try:
          s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
          s.connect(('google.com', 0))
          my_local_ip = s.getsockname()[0] # takes ~0.005s
          #from netifaces import interfaces, ifaddresses, AF_INET
          #full solution in the event of multiple NICs (network interface cards) on the PC
          #def ip4_addresses():
          #    ip_list = []
          #    for interface in interfaces():
          #        for link in ifaddresses(interface)[AF_INET]: # If IPv6 addresses are needed instead, use AF_INET6 instead of AF_INET
          #            ip_list.append(link['addr'])
          #    return ip_list
      except Exception:
          my_local_ip = None
      return my_local_ip