How to read 2D array from console in F#

read2DCharArray.fs

open System

// Create a rectangular array of chars
let read2DCharArray rowCount colCount =
    let rows = [| for _ in 1 .. rowCount -> Console.ReadLine() |> Array.ofSeq |]
    Array2D.init rowCount colCount (fun i j -> rows[i][j])

// Create a jagged array of chars
let read2DCharArrayJagged rows =
    [| for _ in 1 .. rows -> Console.ReadLine() |> Array.ofSeq |]