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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 unload():
 """Unload the current map from the world."""

        global __tile_maps
        global active_map
        if TileMapManager.active_map != None:
            world = Ragnarok.get_world()

            for obj in TileMapManager.active_map.objects:
                world.remove_obj(obj)
            world.remove_obj(TileMapManager.active_map)