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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_value(self):
 """ Return two delegating variables. Each variable should contain a value attribute with the real value. """

        x, y = self._point.x, self._point.y
        self._px, self._py = self._item_point.canvas.get_matrix_i2i(self._item_point,
                                                                    self._item_target).transform_point(x, y)
        return self._px, self._py