#Three lines to make our compiler able to draw: import sys import matplotlib matplotlib.use('Agg') import matplotlib.pyplot as plt x = [1,2,3,5,6,7,8,9,10,12,13,14,15,16,18,19,21,22] y = [100,90,80,60,60,55,60,65,70,70,75,76,78,79,90,99,99,100] plt.scatter(x, y) plt.show() #Two lines to make our compiler able to draw: plt.savefig(sys.stdout.buffer) sys.stdout.flush()