@Vikram_Subbaiah That’s amazing. You are a designscript god!
Agreed 
I find rewriting DS in Nodes a useful exercise to really understand whats going on when @Vikram_Subbaiah does something like that!
FYI just to check that you’re aware that you can right click on the nodes and Node To Code?
PS @jacob.small is also a DS guru 
did you see this? Closed vs Open Surfaces in Dynamo and retriving their UVs - #10 by jacob.small
Cheers,
Mark