def gcd(self, a, b):
        return python_gcd(a, b)
Returns the vertex index with the index_name.
dataset/ETHPy150Open sympy/sympy/sympy/polys/domains/pythonintegerring.py/PythonIntegerRing.gcd--crossover with--dataset/ETHPy150Open espeed/bulbs/bulbs/base/client.py/Client.get_vertex_index