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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 get_prior_alignment(self):
 """ Return the prior alignment that was used for 2D basecalling. :return: Alignment data table. """

        data_group = '{}/HairpinAlign'.format(self.group_name)
        data = self.handle.get_analysis_dataset(data_group, 'Alignment')
        return data