import numpy as np
a = np.array([[0,2, 0],
              [0,5, 0],
              [0,8, 0]])
del_index = []
for col in range(3):
    if a[0][col] == 0:
        del_index.append(col)
print(del_index)
a = np.delete(a, del_index, axis = 1)  # axis=1 删除列，axis=0 删除行 
print(a)

输出：

[0, 2]  # 要删除的列

# 删除后的结果
[[2]
 [5]
 [8]]