code: def find_config_file():
      
      local_config_name = path(CONFIG_FILE_NAME)
      if os.path.isfile(local_config_name):
          return local_config_name
      else:
          user_config_name = path(CONFIG_FILE_NAME, root=USER)
          if os.path.isfile(user_config_name):
              return user_config_name
          else:
              return None
docs: Returns the path to the config file if found in either the current working
      directory, or the user's home directory. If a config file is not found,
      the function will return None.