udp_simulator.py

import socket
import time

i = 1

UDP_IP = "127.0.0.1"
UDP_PORT = 5001
MESSAGE = "{}".format(i)

print("UDP target IP: %s" % UDP_IP)
print("UDP target port: %s" % UDP_PORT)
print("message: %s" % MESSAGE)

sock = socket.socket(socket.AF_INET, # Internet
                     socket.SOCK_DGRAM) # UDP

while True:
    sock.sendto(bytes(MESSAGE, "utf-8"), (UDP_IP, UDP_PORT))
    i += 1
    MESSAGE = "{}".format(i)
    time.sleep(0.2)
    # time.sleep(0.1)