refactored servercount example

servercount.py

-from teeworlds import query_masters_servercount, create_masters, EventSocket
+#!/usr/bin/env python3
+
+from teeworlds import query_masters_servercount, create_masters, EventSocket, MasterServer
+
+
+class CountingMasterServer(MasterServer):
+	total_count = 0
+	def on_count_receive(self, count):
+		CountingMasterServer.total_count += count
 
 e = EventSocket()
-m = create_masters(e)
+m = create_masters(e, master_factory=CountingMasterServer)
 query_masters_servercount(m)
-#for m in t.masterlist:
-#	m.on_server_add = lambda s: s.request_info()
-#t.query_masters()
 e.run()
 
+print(CountingMasterServer.total_count)
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