一、隐藏坐标轴和刻度值
plt.axis('off')
参考:https://blog.youkuaiyun.com/weixin_40583722/article/details/122479360
二、只隐藏坐标
plt.xticks(alpha=0)
plt.tick_params(axis='x', width=0)
三、坐标轴或标注有中文
plt.rcParams['font.family'] = ['sans-serif']
plt.rcParams['font.sans-serif'] = ['SimHei']