kbp

  x = 2
  x = "foo"
  [y] = [3]
  [y] = ["bar"]

  def main():
      x = 2
      [x] = ["foo"]
      y = 3
      [y] = ["bar"]
      print(x + y)

  main = do
    let x = 2
    let x = "foo"
    y <- pure 3
    y <- pure "bar"
    putStrLn $ x ++ y

  main =
    let x = 2
    in let x = "foo"
       in pure 3 >>= \y ->
                       pure "bar" >>= \y ->
                                        putStrLn $ x ++ y