Haskell - alternating elements from two lists

Question

I\'m trying to write a haskell function that takes in two lists of integers and generates a list with elements that have been taken alternatingly from the two lists.

I

Answer 1

If you want to zip, generate lists instead of tuples:

concat $ zipWith (\x y -> [x,y]) [1,2,3] [4,5,6]

Some pointless fun:

concat $ zipWith ((flip(:)).(:[])) [1,2,3] [4,5,6]  

Probably the easiest way:

import Data.List
concat $ transpose [[1,2,3],[4,5,6]]