#Three lines to make our compiler able to draw:

import sys

import matplotlib

matplotlib.use('Agg')

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import matplotlib.pyplot as plt

from sklearn.cluster import KMeans

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x = [4, 5, 10, 4, 3, 11, 14 , 6, 10, 12]

y = [21, 19, 24, 17, 16, 25, 24, 22, 21, 21]

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data = list(zip(x, y))

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kmeans = KMeans(n_clusters=2)

kmeans.fit(data)

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plt.scatter(x, y, c=kmeans.labels_)

plt.show()

​

#Two  lines to make our compiler able to draw:

plt.savefig(sys.stdout.buffer)

sys.stdout.flush()

​