# Combining a one and a two-dimensional NumPy Array in Python # importing Numpy package import numpy as np  num_1d = np.arange(5)print("One dimensional array:")print(num_1d)  num_2d = np.arange(10).reshape(2,5)print("\nTwo dimensional array:")print(num_2d)  # Combine 1-D and 2-D arrays and display # their elements using numpy.nditer() for a, b in np.nditer([num_1d, num_2d]):    print("%d:%d" % (a, b),)