import socket
import struct

udp_port = 7830
sock = socket.socket(socket.AF_INET,socket.SOCK_DGRAM)
sock.connect(('localhost', udp_port))
string = "#"
udp_data = bytearray()
udp_data.extend(string.encode())
udp_data.append(8)
udp_data.append(0)
sock.send(udp_data)