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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 get_action_generator(self, action_name, policy, kwargs):
 """ Returns the action generator to be used for the given action. :param action_name: Action identifier name. :type action_name: unicode | str :param policy: An instance of the current policy class. :type policy: dockermap.map.policy.base.BasePolicy :param kwargs: Keyword arguments. Can be modified by the initialization of the action generator. :type kwargs: dict :return: Action generator object. :rtype: dockermap.map.action.base.AbstractActionGenerator """

        action_generator_cls = self.generators[action_name][1]
        action_generator = action_generator_cls(policy, kwargs)
        return action_generator