Import Socket, SYS, binascii IP = ' 127.0.0.1 ' Port = 9999 S = socket.socket (socket.AF_INET, socket.SOCK_DGRAM) s.bind ((IP, Port)) Print (F ' binding port: {port ...} ' ) the while True: Data, addr = s.recvfrom (1024 ) Print ( ' received:% S:% S. ' % addr, ' sent the message: ' , binascii.b2a_hex (Data)) Print ( ' - ' * 30, ' the OVER ','-' * 30) s.sendto(data,addr)