for i in range(11):
    b= [float(dataset['Close F'][i]), float(dataset['Strike'][i]),
                                float(dataset['T'][i]),0, dataset['Type'][i], dataset['Price O'][i]]
    try:
        dataset.loc[(i), ('IV_B')] = scipy.optimize.newton(balck_IV, 1, args=(b))
    except Exception:
        continue