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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 remove(self, session_id):
 """Remove session object from the container `session_id` Session identifier """

        session = self._items.get(session_id, None)

        if session is not None:
            session.promoted = -1
            session.on_delete(True)
            del self._items[session_id]
            return True

        return False