List.iter(printfn "%i")[1..10]

let arvud=[1..10]
List.iter(printfn "%i")arvud

for arv in 1..10 do
  printfn "%i"(arv*arv)

let ruudud=[|for i in 1..10 -> (i*i)|]
for arv in ruudud do
  printfn "%i"(arv)

ruudud |> printf "%A"