Merge lists and reassign positions


I would like to generate a list like attached picture, any advice?

Thank you so much for your help in advance.

Export Concrete Column coordinates to Excel.dyn (12.0 KB)



Thanks a lot for your help. Why my node “List.AddItemToFront” is different from yours? I am using Dynamo 1.2.1.

Please see below picture.

@carol.poon Click on the arrows besides item and list, check Use Levels and set levels as indicated in the image I posted above

I see and thanks!

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