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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _start_update_server(auth_token):
 """Start a TCP server to receive accumulator updates in a daemon thread, and returns it"""

    server = AccumulatorServer(("localhost", 0), _UpdateRequestHandler, auth_token)
    thread = threading.Thread(target=server.serve_forever)
    thread.daemon = True
    thread.start()
    return server