def __getitem__(self, vertexIndex):
        return self.getVertex(vertexIndex)
Like dict.update() but subtracts counts instead of replacing them.
dataset/ETHPy150Open charanpald/APGL/apgl/graph/AbstractVertexList.py/AbstractVertexList.__getitem__--crossover with--dataset/ETHPy150Open Exa-Networks/exabgp/lib/exabgp/dep/counter.py/Counter.subtract