def __add__(self, other):
        if not isinstance(other, ConditionalFreqDist):
            return NotImplemented
        result = ConditionalFreqDist()
        for cond in self.conditions():
            newfreqdist = self[cond] + other[cond]
            if newfreqdist:
                result[cond] = newfreqdist
        for cond in other.conditions():
            if cond not in self.conditions():
                for elem, count in other[cond].items():
                    if count > 0:
                        result[cond][elem] = count
        return result
Sets up network on this host.
dataset/ETHPy150Open nltk/nltk/nltk/probability.py/ConditionalFreqDist.__add__--crossover with--dataset/ETHPy150Open nii-cloud/dodai-compute/nova/network/manager.py/NetworkManager._setup_network