一、matplotlib

错误：RuntimeWarning: Glyph xxxxx missing from current font. font.set_text(s, 0.0, flags=flags)

这是因为python字体警告，不能显示中文
解决方法：matplotlib.rcParams[‘font.sans-serif’] = [‘KaiTi’]
https://blog.csdn.net/weixin_41936775/article/details/117166237

plt.figure，plt.subplot，plt.subplots

https://www.csdn.net/tags/OtDaIg3sNDU3MjUtYmxvZwO0O0OO0O0O.html