def children(self, vertexId):
        return self.neighbours(vertexId)
``m``-th order derivative of a polynomial in ``K[x]``.
dataset/ETHPy150Open charanpald/APGL/apgl/graph/DictTree.py/DictTree.children--crossover with--dataset/ETHPy150Open sympy/sympy/sympy/polys/densetools.py/dup_diff