1vertices(g) = 0 1 2 3 4 2edges(g) = (0,1) (0,2) (0,3) (0,4) (2,0) (2,4) (3,0) (3,1) (3,4) (4,0) (4,1) 3vertex: 0 4 out-edges: (0,1) (0,2) (0,3) (0,4) 5 in-edges: (2,0) (3,0) (4,0) 6 adjacent vertices: 1 2 3 4 7vertex: 1 8 out-edges: 9 in-edges: (0,1) (3,1) (4,1) 10 adjacent vertices: 11vertex: 2 12 out-edges: (2,0) (2,4) 13 in-edges: (0,2) 14 adjacent vertices: 0 4 15vertex: 3 16 out-edges: (3,0) (3,1) (3,4) 17 in-edges: (0,3) 18 adjacent vertices: 0 1 4 19vertex: 4 20 out-edges: (4,0) (4,1) 21 in-edges: (0,4) (2,4) (3,4) 22 adjacent vertices: 0 1 23