# 创建数组的副本
array_3 = np.random.randint(10, size=(3, 4, 5)) # 三维数组
print(array_3)
print("copy----")
array_3_copy = array_3[:3, :4, :5].copy()
print(array_3_copy)
# 如果修改这个子数组，原始的数组不会被改变：
array_3_copy[0, 0, 0] = 0
print("array_3_copy")
print(array_3_copy)
print("array_3")
print(array_3)
运行结果：
[[[5 0 3 3 7] [9 3 5 2 4] [7 6 8 8 1] [6 7 7 8 1]] [[5 9 8 9 4] [3 0 3 5 0] [2 3 8 1 3] [3 3 7 0 1]] [[9 9 0 4 7] [3 2 7 2 0] [0 4 5 5 6] [8 4 1 4 9]]] copy---- [[[5 0 3 3 7] [9 3 5 2 4] [7 6 8 8 1] [6 7 7 8 1]] [[5 9 8 9 4] [3 0 3 5 0] [2 3 8 1 3] [3 3 7 0 1]] [[9 9 0 4 7] [3 2 7 2 0] [0 4 5 5 6] [8 4 1 4 9]]] array_3_copy [[[0 0 3 3 7] [9 3 5 2 4] [7 6 8 8 1] [6 7 7 8 1]] [[5 9 8 9 4] [3 0 3 5 0] [2 3 8 1 3] [3 3 7 0 1]] [[9 9 0 4 7] [3 2 7 2 0] [0 4 5 5 6] [8 4 1 4 9]]] array_3 [[[5 0 3 3 7] [9 3 5 2 4] [7 6 8 8 1] [6 7 7 8 1]] [[5 9 8 9 4] [3 0 3 5 0] [2 3 8 1 3] [3 3 7 0 1]] [[9 9 0 4 7] [3 2 7 2 0] [0 4 5 5 6] [8 4 1 4 9]]] Process finished with exit code 0
