code: def ktruss_ground_truth(graph_file):
      G = nx.read_edgelist(
          str(graph_file), nodetype=int, data=(("weight", float),)
      )
      df = nx.to_pandas_edgelist(G)
      return df
  
file_path: cugraph/python/cugraph/cugraph/tests/community/test_k_truss_subgraph.py
imports: import gc
  import pytest
  import networkx
  import numpy
  import cugraph
  from cugraph.testing import utils
  from cugraph.datasets import polbooks, karate_asymmetric
  from numba import cuda
label_desc: Use image node_id 2 for calling a global function with example usage: ktruss_ground_truth(graph_file) and returns: df