如何在Matplotlib中的子图中添加标题？

ax.title.set_text('My Plot Title')

fig = plt.figure()ax1 = fig.add_subplot(221)ax2 = fig.add_subplot(222)ax3 = fig.add_subplot(223)ax4 = fig.add_subplot(224)ax1.title.set_text('First Plot')ax2.title.set_text('Second Plot')ax3.title.set_text('Third Plot')ax4.title.set_text('Fourth Plot')plt.show()