def cost_grad(self, final_acts, y):
        raise NotImplemented
Returns a number formatted in such a way that it can be dialed from a
dataset/ETHPy150Open bbabenko/simple_convnet/simple_convnet/convnet.py/NNet.cost_grad--crossover with--dataset/ETHPy150Open daviddrysdale/python-phonenumbers/python/phonenumbers/phonenumberutil.py/format_number_for_mobile_dialing