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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 config(self):
 """Implements Munin Plugin Graph Configuration. Prints out configuration for graphs. Use as is. Not required to be overwritten in child classes. The plugin will work correctly as long as the Munin Graph objects have been populated. """

        for parent_name in self._graphNames:
            graph = self._graphDict[parent_name]
            if self.isMultigraph:
                print "multigraph %s" % self._getMultigraphID(parent_name)
            print self._formatConfig(graph.getConfig())
            print
        if (self.isMultigraph and self._nestedGraphs 
            and self._subgraphDict and self._subgraphNames):
            for (parent_name, subgraph_names) in self._subgraphNames.iteritems():
                for graph_name in subgraph_names:
                    graph = self._subgraphDict[parent_name][graph_name]
                    print "multigraph %s" % self.getMultigraphID(parent_name, 
                                                                 graph_name)
                    print self._formatConfig(graph.getConfig())
                    print
        return True