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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 set_state(self, state):
 """ Call the set_state method in SimStatePlugin class, and then perform the delayed initialization. :param state: The SimState instance """

        SimStatePlugin.set_state(self, state)

        # Delayed initialization
        stack_region_map, generic_region_map = self._temp_stack_region_map, self._temp_generic_region_map

        if stack_region_map or generic_region_map:
            # Inherited from its parent
            self._stack_region_map = stack_region_map.copy()
            self._generic_region_map = generic_region_map.copy()

        else:
            if not self._abstract_backer and o.REGION_MAPPING in self.state.options:
                # Only the top-level SimMemory instance can have region maps.
                self._stack_region_map = RegionMap(True)
                self._generic_region_map = RegionMap(False)

            else:
                self._stack_region_map = None
                self._generic_region_map = None