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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 on_key(self, view, key, event):
 """ Trigger the key event Parameters view: int The ID of the view that sent this event key: int The code of the key that was pressed data: bytes The msgpack encoded key event """

        d = self.declaration
        r = {'key': key, 'result': False}
        d.key_event(r)
        return r['result']