<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _split_one_end(path):
 """ Utility function for splitting off the very end part of a path. """

        s = path.rsplit('/', 1)
        if len(s) == 1:
            return s[0], ''
        else:
            return tuple(s)