时间：2021-05-19 09:41:46 | 栏目：Python代码 | 点击：次
如下所示：
import numpy as np a = np.array([[1,2,3],[4,5,6],[7,8,9]]) b = np.array([[0,0,0]]) c = np.insert(a, 0, values=b, axis=0) d = np.insert(a, 0, values=b, axis=1) print(c) print(d)
>>c [[0 0 0] [1 2 3] [4 5 6] [7 8 9]] >>d [[0 1 2 3] [0 4 5 6] [0 7 8 9]]