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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 stop(self):
 """Stop listening for keyboard input events."""

        self.state = False
        with display_manager(self.display) as d:
            d.record_disable_context(self.ctx)
            d.ungrab_keyboard(X.CurrentTime)
        with display_manager(self.display2):
            d.record_disable_context(self.ctx)
            d.ungrab_keyboard(X.CurrentTime)