#sender
import socket
UDP_IP = "127.0.0.1"
UDP_PORT = 5005
MESSAGE = "Hello, World!"
print "UDP target IP:", UDP_IP
print "UDP target port:", UDP_PORT
print "message:", MESSAGE
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)

sock.sendto(MESSAGE, (UDP_IP, UDP_PORT))


#receiver
import socket;

UDP_IP = "127.0.0.1"

UDP_PORT = 5005

sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)

sock.bind((UDP_IP, UDP_PORT))

while True:
    data, addr = sock.recvfrom(1024) # buffer size is 1024 bytes
    print "received message:", data