Thanks for the contribution, @dapeng! Was wondering if scner is actually a thing? To me it seems like a very vague name for a function, but I could be completely missing something, haha.

Some thought(s) about the contribution:

• Since you are including quite a lot of code in one commit it is maybe better to create a pull request instead and split up the work over multiple commits, where each commit message would describe whatever was implemented in that particular commit. Or I would recommend separating the commit's subject and body with a blank line and writing some more information about what was implemented in the body, for example:

Add image display for `scner()`

This commit adds the following features:
* 1
* 2
* 3

This guide could be a good reference. Also, I don't know if you saw this guide, but I'd definitely recommend you check that out as well if you haven't.

I look forward to seeing more of your contributions in the future!

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