有没有办法在显示matplotlib图时默认自动激活“缩放到矩形”工具？

import numpy as np
import matplotlib.pyplot as plt
x = np.arange(-300,300)
y = x**2-7*x
fig = plt.figure()
ax = fig.add_subplot(1,1,1)
plt.plot(x,y)
# Add something here to activate the "Zoom to rectangle" tool?
plt.show()