Combining two Lists

[baldino]

Hi there,

I am trying to do the following:
I have a list A : a1 a2 a3 a4 .... etc
and a list B: b1 b2 b3 b4 b5 ....

and i want a list C being a1 b1 a2 b2 a3 b3 ....

thx for some help here