# Basic syntax: np.ones((number_rows, number_cols), dtype=int) # Example usage: import numpy as np np.ones((5, 3), dtype=int) array([[1, 1, 1], [1, 1, 1], [1, 1, 1], [1, 1, 1], [1, 1, 1]]) # Note, use np.zeros to create an array of zeros