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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 display_xdata(self) -> DataAndMetadata.DataAndMetadata: """Return the extended data of this data item display. Display data will always be 1d or 2d and either int, float, or RGB data type. .. versionadded:: 1.0 Scriptable: Yes """

        display_data_channel = self.__display_item.display_data_channel
        return display_data_channel.get_calculated_display_values(True).display_data_and_metadata