code: def pdToNxSimple(d, c1, c2, attr):
      return nx.convert_matrix.from_pandas_edgelist(d, c1, c2, attr)
  
file_path: deepsnap/examples/bio_application/converter.py
imports: import pandas
  import networkx
  import torch
  import torch_geometric.data
  import torch_geometric.utils
label_desc: Use image node_id 4 for calling a global function with example usage: pdToNxSimple(d, c1, c2, attr) and returns: nx