def inverse(self):
        inv = self.__class__()
        inv.add_nodes(self.nodes())
        inv.complete()
        for each in self.edges():
            if (inv.has_edge(each)):
                inv.del_edge(each)
        return inv
Fetches the given row number.
dataset/ETHPy150Open nerdvegas/rez/src/rez/vendor/pygraph/mixins/common.py/common.inverse--crossover with--dataset/ETHPy150Open google/textfsm/texttable.py/TextTable.__getitem__