add python

python/udpserver_example.py

@@ -0,0 +1,7 @@
+import socket
+
+sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+sock.bind(("0.0.0.0", 8776))
+while True:
+    data, addr = sock.recvfrom(1024)
+    print(addr, data)