#Three lines to make our compiler able to draw:

import sys

import matplotlib

matplotlib.use('Agg')

​

import numpy

import matplotlib.pyplot as plt

​

x = [89,43,36,36,95,10,66,34,38,20,26,29,48,64,6,5,36,66,72,40]

y = [21,46,3,35,67,95,53,72,58,10,26,34,90,33,38,20,56,2,47,15]

​

mymodel = numpy.poly1d(numpy.polyfit(x, y, 3))

​

myline = numpy.linspace(2, 95, 100)

​

plt.scatter(x, y)

plt.plot(myline, mymodel(myline))

plt.show()

​

#Two  lines to make our compiler able to draw:

plt.savefig(sys.stdout.buffer)

sys.stdout.flush()

​