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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 hex_to_xy(self, h):
 """Converts hexadecimal colors represented as a String to approximate CIE 1931 x and y coordinates. """

        rgb = self.color.hex_to_rgb(h)
        return self.rgb_to_xy(rgb[0], rgb[1], rgb[2])