This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.
注意！WARNING
答案信息由生成式预训练模型生成，并不一定100%准确，甚至可能存在错误，仅作为代码参考！
并且只适用于实训编程作业。matplotlib等绘图相关作业请参见网站https://github.com/JesterHey/img_file/blob/main/educoder.md
