I more gray-bearded haskell wizard than I might have a better solution, but to me the direct haskell equivalent of python's [1,2,3]*4 is concat $ replicate 4

I more gray-bearded haskell wizard than I might have a better solution, but to me the direct haskell equivalent of python's [1,2,3]*4 is concat $ replicate 4 [1,2,3]