‘‘‘        d1=[np.array([i]) for i in spot.tolist()]        payoff=[]        for i in range(spot.size):            d2=self.Payoff(d1[i])            payoff.append(d2.tolist()[0])        return np.array(payoff)        ‘‘‘        return np.array([self.Payoff(np.array([i]))[0] for i in spot])