code: def isfile(path):
      """Test whether a path is a regular file"""
      try:
          st = os.stat(path)
      except (OSError, ValueError):
          return False
      return stat.S_ISREG(st.st_mode)
  
file_path: catboost/contrib/tools/python3/src/Lib/genericpath.py
imports: import os
  import stat
label_desc: Use image node_id 2 for calling a global function with example usage: isfile(path) and returns: stat, False