import numpy as np a = np.array([[1,2],[3,4]]) sumo = np.sum(a,axis=0) suml = np.sum(a,axis=O) print(sumo) print(suml) 相关文章: 2021-07-12 2021-06-29 2021-05-17 2022-12-23 2022-12-23 2022-12-23 2022-12-23 2022-12-23