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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 rgb_to_xy(self, red, green, blue):
 """Converts red, green and blue integer values to approximate CIE 1931 x and y coordinates. """

        point = self.color.get_xy_point_from_rgb(red, green, blue)
        return (point.x, point.y)