Use Function to Modify Sequence
A
1 [AZ,NC,FL,CA,TX]
2
>A1.insert(3,"new1")
3
>A1.insert(0,"new2")
4
>A1.delete(5)
5
>A1.modify(5,"NY")
6
>A1.delete(A1.pselect@a(left(~,1)=="N"))

If executing the cellset file step by step, you can find that cell value in the A1 is changed step by step: