L = [[a1,b1],[a1,b1],...,[an,bn]]
Never mind, I got it
from ghpythonlib import treehelpers as th L = [[a1,b1],[a1,b1],...,[an,bn]] a = th.list_to_tree(L)
I respect you trying to help and answer my question, but being a Moderator or not, leave the original poster to decide what is a solution and what is not.
No problem. Thanks for sharing your solution