docs: def remove_pardir_symbols(path, sep=os.sep, pardir=os.pardir):
      """
      Remove relative path symobls such as '..'
  
      Args:
          path (str): A target path string
          sep (str): A strint to refer path delimiter (Default: `os.sep`)
          pardir (str): A string to refer parent directory (Default: `os.pardir`)
  
      Returns:
          str
      """
      bits = path.split(sep)
      bits = (x for x in bits if x != pardir)
      return sep.join(bits)