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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 get_font_face(self):
 """Return the current font face. :param font_face: A new :class:`FontFace` object wrapping an existing cairo object. """

        return FontFace._from_pointer(
            cairo.cairo_get_font_face(self._pointer), incref=True)