matplotlib set title for all subplots code example
Example 1: matplotlib subplots title
fig.suptitle('This is a somewhat long figure title', fontsize=16)
Example 2: title subplot
import matplolib.pyplot as plt
for i in range(4):
plt.subplot(2,2,i+1).set_title('Subplot n°{}' .format(i+1))
plt.show()