code: def owner(path):
      
      stat = os.stat(path)
      username = pwd.getpwuid(stat.st_uid)[0]
      groupname = grp.getgrgid(stat.st_gid)[0]
      return username, groupname
docs: Returns a tuple containing the username & groupname owning the path.
  
      :param str path: the string path to retrieve the ownership
      :return tuple(str, str): A (username, groupname) tuple containing the
                               name of the user and group owning the path.
      :raises OSError: if the specified path does not exist