code: def main(correct, fail=None):
      if fail is not None:
          with open(fail, "r") as f:
              test_failures = {l.strip() for l in f.readlines()}
      else:
          test_failures = None
  
      with open(correct, "r") as f:
          correct_lines = f.readlines()
  
      done_tests = defaultdict(int)
      for line in correct_lines:
          file, class_name, test_name, correct_line = line.split(";")
          if (
              test_failures is None
              or "::".join([file, class_name, test_name])
              in test_failures
          ):
              overwrite_file(
                  file, class_name, test_name, correct_line, done_tests
              )
  
imports: import argparse
  from collections import defaultdict
label_desc: Use image node_id 2 for calling a global function with example usage: main(correct, fail) without return types