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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 asarray(self, out=None):
 """Return image data from series of TIFF pages as numpy array."""

        if self.parent:
            result = self.parent.asarray(series=self, out=out)
            if self.transform is not None:
                result = self.transform(result)
            return result
        return None