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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 mdgel_metadata(self):
 """Return consolidated metadata from MD GEL tags as dict."""

        for page in self.pages[:2]:
            if 'MDFileTag' in page.tags:
                tags = page.tags
                break
        else:
            return None
        result = {}
        for code in range(33445, 33453):
            name = TIFF.TAGS[code]
            if name not in tags:
                continue
            result[name[2:]] = tags[name].value
        return result