code: def main():
      try:
          file = sys.argv[1]
      except IndexError:
          fid = sys.stdin
          outfile = sys.stdout
      else:
          fid = open(file, "r")
          (base, ext) = os.path.splitext(file)
          newname = base
          outfile = open(newname, "w")
  
      allstr = fid.read()
      try:
          writestr = process_str(allstr)
      except ValueError as e:
          raise ValueError("In %s loop at %s" % (file, e)) from None
  
      outfile.write(writestr)
  
file_path: catboost/contrib/python/numpy/py3/numpy/distutils/conv_template.py
imports: import os
  import sys
  import re
label_desc: Use image node_id 10 for calling a global function with example usage: main() without return types