add example tcp/udp communication using socket

socket/UdpClient.py

@@ -0,0 +1,23 @@
+import socket
+import sys
+
+# Create a UDP socket
+sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+
+server_address = ('localhost', 10000)
+message = 'This is the message.  It will be repeated.'
+
+try:
+
+    # Send data
+    print >>sys.stderr, 'sending "%s"' % message
+    sent = sock.sendto(message, server_address)
+
+    # Receive response
+    print >>sys.stderr, 'waiting to receive'
+    data, server = sock.recvfrom(4096)
+    print >>sys.stderr, 'received "%s"' % data
+
+finally:
+    print >>sys.stderr, 'closing socket'
+    sock.close()