# Generate a few random numbers import numpy as np import matplotlib.pyplot as plt import random # By default, the system time is used as a seed number = 100 x1 = np.zeros(number) x2 = np.zeros(number) for i in range(number): x1[i] = random.random() x2[i] = random.random() plt.plot(x1,x2, 'bo', fillstyle='none', markersize=2) plt.xlabel( 'x1' ) plt.ylabel( 'x2' ) plt.show()