#Three lines to make our compiler able to draw: import sys import matplotlib matplotlib.use('Agg') import matplotlib.pyplot as plt x = [5,7,8,7,2,17,2,9,4,11,12,9,6] y = [99,86,87,88,111,86,103,87,94,78,77,85,86] plt.scatter(x, y) plt.show() #Two lines to make our compiler able to draw: plt.savefig(sys.stdout.buffer) sys.stdout.flush()