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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(self):
 """Start the import thread."""

        self.t = threading.Thread(target=self._run, name="ray_import_thread")
        # Making the thread a daemon causes it to exit
        # when the main thread exits.
        self.t.daemon = True
        self.t.start()