fig = plt.figure(figsize=(16,8))
fig.suptitle('title',fontsize=14)

ax1 = fig.add_axes([0.05,0.1,0.4,0.7])
ax2 = fig.add_axes([0.55,0.1,0.4,0.7])

ax1.set_title('ax1')
ax2.set_title('ax2')

plt.show()