是否可以创建一个带有垂直误差条的偏差百分比matplotlib条形图？

import matplotlib.pyplot as plt
import numpy as np

x = np.array(['A', 'B', 'C', 'D', 'E'])
y = np.array([10, 8, 12, 9, 11])
error = np.array([1, 0.5, 1.2, 0.8, 1.5])

plt.bar(x, y, yerr=error, align='center', alpha=0.5)

plt.title('Bar Chart with Vertical Error Bars')
plt.xlabel('Categories')
plt.ylabel('Values')
plt.show()