According to list 2 return the value of list 1

Here is the picture. LIst 1 returns surface value and list 2 returns area value.
So I want to index list 1 accroding to list 2. The final value return surface.
Do you have any idea how to do this?

Do a search for “sort” in the node browser.

Thanks for you help.

@A.C Use List.SortByKey or SortByFunction