Python - numpy - reshape

import numpy as np

# sample data
a = np.array(range(75))
a = a.reshape([1,3,5,5])
print(a)

# convert --- version 3

result = np.dstack(a[0])

print(result)
print(result.shape)

# convert --- version 1

result = []
for x1, x2, x3 in zip(a[0,0], a[0,1], a[0,2]):
    q = []
    for z1, z2, z3 in zip(x1, x2, x3):
        q.append([z1, z2, z3])
    result.append(q)

# ---
result = np.array(result)
print(result)
print(result.shape)

# convert --- version 2

result = []
for x in zip(*a[0]):
    q = []
    for z in zip(*x):
        q.append(z)
    result.append(q)

# ---
result = np.array(result)
print(result)
print(result.shape)

# convert --- version 3

result = [[z for z in zip(*x)] for x in zip(*a[0])]

# ---
result = np.array(result)
print(result)
print(result.shape)