||'''Book'''|| Advanced Engineering Mathematics || ||'''Author'''|| Erwin Kreyszig || ||'''Edition'''|| 8th Edition || /* code_begins */ {{{ G=Graph({1:{2:2,3:6,4:8},2:{3:3,4:7},3:{4:5},4:{5:20}}, sparse=True) G.plot(edge_labels=True) G.shortest_paths(1, by_weight=True) }}} /* code_ends */ * '''Solution by''': * , , * , ,