`numpy:swapaxes`

Signature

def swapaxes ( a , axis1 , axis2 )

Interchange two axes of an array.

a_swapped : ndarray: For NumPy >= 1.10.0, if a is an ndarray, then a view of a is returned; otherwise a new array is created. For earlier NumPy versions a view of a is returned only if the order of the axes is changed, otherwise the input array is returned.

import numpy as np
x = np.array([[1,2,3]])
np.swapaxes(x,0,1)

✓

x = np.array([[[0,1],[2,3]],[[4,5],[6,7]]])

✓

✗

np.swapaxes(x,0,2)

✗