Merge Array

Hello! I am trying to merge arrays but can’t find a way.

Example:

array set 1: input 0 = a, input 1 = b

array set 2: input 0 = x, input 1 = y, input 2 = z

merged array set: input 0 = a, input 1 = b, input 2 = x, input 3 = y, input 4 = z

how can i do it? can you add this node?