def add(self, key, value):
        if key in self:
            super().__getitem__(key).add(value)
        else:
            super().__setitem__(key, RunningState(value))
Get first data xref from 'From'
dataset/ETHPy150Open LabPy/lantz/lantz/stats.py/RunningStats.add--crossover with--dataset/ETHPy150Open EiNSTeiN-/idapython/python/idc.py/Dfirst