Mathematica - turning two lists into an array

[tomrob123]

Hi

I need to turn two lists in the form {a1,a2,a3...} {b1,b2,b3...}
into {{a1,b1},{a2,b2},{a3,b3}..}

I've looked everywhere on the Wolfram website and the best i found was:

Riffle[{list1},{list2}] which gives me {a1,b1,a2,b2,a3,b3}

does anyone know the function to use?

Thanks

 

[nezse]

Hi,
Maybe this:
Transpose[{{a1, a2, a3}, {b1, b2, b3}}]

 

[Mapes]

Equivalently, {{a1, a2, a3}, {b1, b2, b3}}^TR. (The transpose symbol comes from hitting Esc, tr, Esc.)