Write a NumPy program to create an array of (3, 4) shape and convert the array elements in smaller chunks

import numpy as np
x= np.arange(12).reshape(3, 4)
print("Original array elements:")
print(x)
print("Above array in small chuncks:")
for a in np.nditer(x, flags=['external_loop'], order='F'):
    print(a)

Sample Output:

Original array elements:                                               
[[ 0  1  2  3]                                                         
 [ 4  5  6  7]                                                         
 [ 8  9 10 11]]                                                        
Above array in small chuncks:                                          
[0 4 8]                                                                
[1 5 9]                                                                
[ 2  6 10]                                                             
[ 3  7 11]