# How to add a border around a NumPy array in Python # importing Numpy packageimport numpy as np  # Creating a 2X2 Numpy matrixarray = np.ones((2, 2))  print("Original array")print(array)  print("\n0 on the border and 1 inside the array")  # constructing border of 0 around 2D identity matrix# using np.pad()array = np.pad(array, pad_width=1, mode='constant',               constant_values=0)  print(array)