class_docstr: A class for utility functions of graph operations.
class_docstr_tok: ["A","class","for","utility","functions","of","graph","operations","."]
docstr: Display all nodes in a graph.
docstr_tok: ["Display","all","nodes","in","a","graph","."]
code: def print_nodes(g):
      """Display all nodes in a graph."""
      nodes_arr = list(g.nodes())
      for n in nodes_arr:
          print(n)
  
file_path: graph4nlp/graph4nlp/pytorch/modules/graph_construction/utility_functions.py
imports: import copy
label_desc: Use image node_id 12 for calling the UtilityFunctionsForGraph obj's underlying member method code with example usage: obj.print_nodes(g) without return types