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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, force=False):
 """ Stop the instance :type force: bool :param force: Forces the instance to stop :rtype: list :return: A list of the instances stopped """

        rs = self.connection.stop_instances([self.id], force)
        if len(rs) > 0:
            self._update(rs[0])