def clear(self, argv):
        self._obj.clear()
        self._reset_scopes()
Returns the number of vertices contained in this object.
dataset/ETHPy150Open kdart/pycopia/fepy/pycopia/fepy/CLI.py/DictCLI.clear--crossover with--dataset/ETHPy150Open charanpald/APGL/apgl/graph/AbstractVertexList.py/AbstractVertexList.getNumVertices