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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:
 async def ws_handler(self, protocol, path):
 """ This is the main handler function for the 'websockets' implementation to call into. We just wait for close then return, and instead allow 'send' and 'receive' events to drive the flow. """

        self.handshake_completed_event.set()
        await self.closed_event.wait()