# Write a NumPy program to check whether the dimensions of two given arrays are same or not.  
import numpy as np
def test_array_dimensions(ar1,ar2):
 try:
   ar1 + ar2
 except ValueError:
   return "Different dimensions"
 else:
   return "Same dimensions"
ar1 = np.arange(20).reshape(4,5)
ar2 = np.arange(20).reshape(4,5)
print(test_array_dimensions(ar1, ar2))
ar1 = np.arange(20).reshape(5,4)
ar2 = np.arange(20).reshape(4,5)
print(test_array_dimensions(ar1, ar2))
