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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 save(self):
 """ Save the UFO."""


        # handle glyphs that were muted
        for name in self.mutedGlyphsNames:
            if name not in self.font: continue
            if self.logger:
                self.logger.info("removing muted glyph %s", name)
            del self.font[name]
            # XXX housekeeping:
            # remove glyph from groups / kerning as well?
            # remove components referencing this glyph?

        # fontTools.ufoLib no longer calls os.makedirs for us if the
        # parent directories of the Font we are saving do not exist.
        # We want to keep backward compatibility with the previous
        # MutatorMath behavior, so we create the instance' parent
        # directories if they do not exist. We assume that the users
        # knows what they are doing...
        directory = os.path.dirname(os.path.normpath(self.path))
        if directory and not os.path.exists(directory):
            os.makedirs(directory)
        try:
            self.font.save(os.path.abspath(self.path), self.ufoVersion)
        except defcon.DefconError as error:
            if self.logger:
                self.logger.exception("Error generating.")
            return False, error.report
        return True, None