udpsend.py

print("udp test")
import time
import socket
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sock.setblocking(False)

hostip = input('hostip:')
print("hostip:",hostip)
check = input('is ok? (y/n)')
if check == 'n':
 exit()

count=0
while True:
 count+=1
 time.sleep(0.5)
 msg = 'test%d'%count
 if msg == "exit" :
 exit()
 
 sock.sendto(msg.encode(), (hostip, 1234))
 try:
 data, addr = sock.recvfrom(1024)
 print("reply:", data)
 except:
 pass