def get_subgraph_list(self):
sgraph_objs = list()<EOL>for sgraph, obj_dict_list in self.obj_dict['<STR_LIT>'].items():<EOL><INDENT>sgraph_objs.extend( [ Subgraph( obj_dict = obj_d ) for obj_d in obj_dict_list ] )<EOL><DEDENT>return sgraph_objs<EOL>
Get the list of Subgraph instances.

        This method returns the list of Subgraph instances
        in the graph.