code: def binary_search(f, lo, hi):
      if f(lo) or not f(hi):
          return None
      while hi > lo + 1:
          mid = (lo + hi) // 2
          if f(mid):
              hi = mid
          else:
              lo = mid
      return hi
  
file_path: gpt-2-simple/gpt_2_simple/src/load_dataset.py
imports: import glob
  import numpy
  import os
  import random
  import tensorflow
  import tqdm
  import csv
label_desc: Use image node_id 2 for calling a global function with example usage: binary_search(f, lo, hi) and returns: hi, None