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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 execute_on_all_members(self, task):
 """ Executes a task on all of the known cluster members. :param task: (Task), the task executed on the all of the members. :return: (Map), :class:`~hazelcast.future.Future` tuples representing pending completion of the task on each member. """

        return self.execute_on_members(self._client.cluster.get_member_list(), task)