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Carpet Plot Axis Modification

Hello Plotly Community,

I am currently creating a carpet plot with Plotly.py and have a few questions which might be basic or might not be. The first thing is I am having trouble creating the minor gridlines on the Y axis and have tried a few different parameter settings however, it seems like the carpet plot Y axis input parameters are limited compared to other plot types. So is there an easy way to add the minor gridlines onto the carpet plot Y axis?

And my second question, I would like to move the number labels of b axis to the opposite side of the carpet. Is there a way to move the numbers and label to the opposite side of carpet? I have actually tried the mirror parameter but have had no success.

Please give me your suggestions if you get the chance.

Thanks,
Randall Berdon