iterate arrays that is composed of the last two dimensions

gistfile1.txt

In [58]: a = np.arange(72).reshape(3, 2, 3, 4)

In [59]: for index in np.ndindex(*(list(a.shape)[:-2])):
    ...:     print(a[index])
    ...: 
[[ 0  1  2  3]
 [ 4  5  6  7]
 [ 8  9 10 11]]
[[12 13 14 15]
 [16 17 18 19]
 [20 21 22 23]]
[[24 25 26 27]
 [28 29 30 31]
 [32 33 34 35]]
[[36 37 38 39]
 [40 41 42 43]
 [44 45 46 47]]
[[48 49 50 51]
 [52 53 54 55]
 [56 57 58 59]]
[[60 61 62 63]
 [64 65 66 67]
 [68 69 70 71]]