>>> a = np.zeros((2, 3, 4))
>>> a
array([[[ 0., 0., 0., 0.],
[ 0., 0., 0., 0.],
[ 0., 0., 0., 0.]],
[[ 0., 0., 0., 0.],
[ 0., 0., 0., 0.],
[ 0., 0., 0., 0.]]])
# required libraries
import numpy as npy
array_3d = npy.array(
[[[1, 1, 1, 1],
[1, 1, 1, 1],
[1, 1, 1, 1]],
[[1, 1, 1, 1],
[1, 1, 1, 1],
[1, 1, 1, 1]]])
print(array_3d)
print("Number of dimensions: " ,array_3d.ndim, ", Shape: ", array_3d.shape)
# you can type the array yourself like this
# or you could do somethong like this
ones = npy.ones((2, 3, 4), dtype=int)
print(ones)
print("Number of dimensions: " ,ones.ndim, ", Shape: ", ones.shape)
# and get the same result