Merge lists and reassign positions

[carol.poon]

Hello,

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)

[Vikram_Subbaiah]

[carol.poon]

Vikram,

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.

[Vikram_Subbaiah]

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

[carol.poon]

I see and thanks!