<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">import matplotlib.pyplot as plt
from numpy.random import rand

Z = rand(6, 10)

plt.subplot(2, 1, 1)
c = plt.pcolor(Z)
plt.title('default: no edges')

plt.subplot(2, 1, 2)
c = plt.pcolor(Z, edgecolors='k', linewidths=4)
plt.title('thick edges')

plt.show()
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