如何在每个条形图中显示数值的barh图？

import matplotlib.pyplot as plt
import numpy as np

categories = ['A', 'B', 'C', 'D', 'E']
values = [10, 20, 15, 25, 30]

fig, ax = plt.subplots()
bars = ax.barh(categories, values)

for bar in bars:
    width = bar.get_width()
    ax.text(width, bar.get_y() + bar.get_height() / 2, str(width), ha='left', va='center')

ax.set_title('Barh Chart with Values')
ax.set_xlabel('Value')
ax.set_ylabel('Category')

plt.show()