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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 _make_fn_text(self):

 """Makes filename text"""

        if not self._f:
            text = "(not loaded)"
        elif self._f.filename:
            text = os.path.relpath(self._f.filename, ".")
        else:
            text = "(filename not set)"
        return text