import numpy as np a = np.array([[1, 2], [3, 4]]) a.shape Out[3]: (2, 2) b = np.array([[5, 6]]) b.shape Out[5]: (1, 2) np.concatenate((a, b)) Out[6]: array([[1, 2], [3, 4], [5, 6]]) c= np.concatenate((a, b)) c.shape Out[8]: (3, 2) d = np.concatenate(…