serverUDP1

import socket

udp_server = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
udp_server.bind(("0.0.0.0", 20001))
#now get message from client
data, client_address = udp_server.recvfrom(1024)
#send same message back
udp_server.sendto(data, client_address)
#decode and print message
message=data.decode()
print(message)