#Three lines to make our compiler able to draw: import sys import matplotlib matplotlib.use('Agg') import matplotlib.pyplot as plt import numpy as np #plot 1: x = np.array([0, 1, 2, 3]) y = np.array([3, 8, 1, 10]) plt.subplot(2, 1, 1) plt.plot(x,y) #plot 2: x = np.array([0, 1, 2, 3]) y = np.array([10, 20, 30, 40]) plt.subplot(2, 1, 2) plt.plot(x,y) plt.show() #Two lines to make our compiler able to draw: plt.savefig(sys.stdout.buffer) sys.stdout.flush()