def pairs(self):
        return [(k, v) for (i, k, v) in self._totally_ordered_pairs()]
Return a new Index with elements from the index that are not in
dataset/ETHPy150Open deanhiller/databus/webapp/play1.3.x/samples-and-tests/i-am-a-developer/mechanize/ClientForm.py/Control.pairs--crossover with--dataset/ETHPy150Open pydata/pandas/pandas/indexes/base.py/Index.difference