code: def bold(text, flag=True):
      return f"\033[1m{text}\033[0m" if flag else text
  
file_path: pytorch_scatter/benchmark/scatter_segment.py
imports: import time
  import os.path
  import itertools
  import argparse
  import wget
  import torch
  from scipy.io import loadmat
  from torch_scatter import scatter, segment_coo, segment_csr
label_desc: Use image node_id 2 for calling a global function with example usage: bold(text, flag) and returns: unknown