np.random.seed(0) p = np.array([0.1, 0.0, 0.7, 0.2]) index = np.random.choice([0, 1, 2, 3], p = p.ravel()) 2 相关文章: 2021-12-28 2022-12-23 2022-12-23 2021-10-14 2021-11-30 2022-12-23 2021-09-21 2022-03-07