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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def GetDisplayNameForPathSpec(self, path_spec):
 """Retrieves the display name for a path specification. Args: path_spec (dfvfs.PathSpec):
 path specification. Returns: str: human readable version of the path specification. """

    return path_helper.PathHelper.GetDisplayNameForPathSpec(
        path_spec, mount_path=self._mount_path, text_prepend=self._text_prepend)