#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

​

x = np.random.normal(170, 10, 250)

​

plt.hist(x)

plt.show()

​

#Two  lines to make our compiler able to draw:

plt.savefig(sys.stdout.buffer)

sys.stdout.flush()

​