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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 _getProcessedImage(self):
 """Returns the image data after it has been processed by any normalization options in use. This method also sets the attributes self.levelMin and self.levelMax to indicate the range of data in the image."""

        if self.imageDisp is None:
            self.imageDisp = self.image
            self.levelMin, self.levelMax = self._quickLevels(
                self.imageDisp)
            #list( map(float, self._quickLevels(self.imageDisp)))
        return self.imageDisp