code: def test_repr(idtype):
      g = dgl.graph(
          ([0, 0, 1], [1, 2, 2]),
          num_nodes=10,
          idtype=idtype,
          device=F.ctx(),
      )
      repr_string = g.__repr__()
      print(repr_string)
      g.ndata["x"] = F.zeros((10, 5))
      g.edata["y"] = F.zeros((3, 4))
      repr_string = g.__repr__()
      print(repr_string)
  
imports: import warnings
  from collections import defaultdict
  import backend
  import dgl
  import networkx
  import numpy
  from utils import parametrize_idtype
label_desc: Use image node_id 16 for calling a global function with example usage: test_repr(idtype) without return types