更改matplotlib中特定xtick的颜色

import matplotlib.pyplot as plt

plt.plot([1, 2, 3, 4], [1, 4, 9, 16])
plt.xlabel('X')
plt.ylabel('Y')

xticks_pos, xticks_labels = plt.xticks()

xticks_labels[1].set_color('red')

plt.xticks(xticks_pos, xticks_labels)
plt.show()