How to compute the intersection of two vectors in dolphindb?

Question

For example, I have two vectors in dolphindb, va = [1,2,3]; vb = [2,3,5]; How can I find the intersection of va and vb?

[2,3]

Answer 1

va = [1,2,3] vb = [2,3,5]

(set(va) & set(vb)).keys()