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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 summary_pairwise_indices(self):
 """ndarray containing tuples of pairwise indices for the column summary."""

        summary_pairwise_indices = np.empty(
            self.values[0].t_stats.shape[1], dtype=object
        )
        summary_pairwise_indices[:] = [
            sig.summary_pairwise_indices for sig in self.values
        ]
        return summary_pairwise_indices