arangosh> v1 = example.addVertex("1");
ReferenceError: example is not defined
arangosh> v2 = g.addVertex("2");
ReferenceError: g is not defined
arangosh> e = g.addEdge(v1, v2, "1->2", "knows");
ReferenceError: g is not defined
arangosh> e.getPeerVertex(v1);
ReferenceError: e is not defined