class_docstr: A class for utility functions of graph operations.
class_docstr_tok: ["A","class","for","utility","functions","of","graph","operations","."]
docstr: Remove the "Root" node in a graph.
docstr_tok: ["Remove","the","``","Root","''","node","in","a","graph","."]
code: def cut_root_node(g):
      """Remove the \"Root\" node in a graph."""
      pass
  
file_path: graph4nlp/graph4nlp/pytorch/modules/graph_construction/utility_functions.py
imports: import copy
label_desc: Use image node_id 3 for calling the UtilityFunctionsForGraph obj's underlying member method code with example usage: obj.cut_root_node(g) without return types