Plotting multiple cells in a single plot

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Hi everyone,
I have been using the nbagg tool in jupyter to plot data for a year or two without issue. However, I am now running into the opposite problem that most people have- I would like to plot multiple lines of data into a single graph. Usually, just keeping the graph active and executing the multiple lines does the trick- but no such luck lately. I haven't changed the imported packages at all. Any idea how to fix it?
Thank you

首先在 Jupyter 中使用 nbagg 工具复现报告的行为，并使用多个预期显示在同一图形中的绘图命令。检查导入的包和执行环境是否会影响结果；当多条数据线一起渲染在单个绘图中时即表示完成。

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