help me plz

---@diagnostic disable: undefined-global
function startAll()

    print("cual es tu anchura")
    local ancho = read()
    ancho = tonumber(ancho)
    while checkCorrectDataType(ancho) do
        print("--------------------------------")
        print("tu anchura tiene que ser un numero")
        print("cual es tu anchura")
        print("--------------------------------")
        ancho = read()
        ancho = tonumber(ancho)

    end

    print("cual es tu largo")
    local largo = read()
    largo = tonumber(largo)
    while checkCorrectDataType(largo) do
        print("--------------------------------")
        print("tu largo tiene que ser un numero")
        print("cual es tu largo")
        print("--------------------------------")
        largo = read()
        largo = tonumber(largo)

    end

    print("cual es tu altura")
    local alto = read()
    alto = tonumber(alto)
    while checkCorrectDataType(alto) do
        print("--------------------------------")
        print("tu altura tiene que ser un numero")
        print("cual es tu altura")
        print("--------------------------------")
        alto = read()
        alto = tonumber(alto)

    end

    dig3d(ancho, largo, alto)

end

function dig3d(ancho, largo, alto)
    local currentLayer = 0
    local anchoInicial = ancho
    for i = 1, alto, 1 do
        dig2d(largo, ancho, currentLayer, anchoInicial)
        turtle.digUp()
        turtle.up()
        currentLayer = currentLayer + 1
    end
    for i = alto, 1, -1 do
        turtle.down()

    end

end

function checkCorrectDataType(input)

    return input == nil

end

function resetPosition(ancho, largo)

    if ancho % 2 == 0 then
        turtle.turnRight()
        for i = 1, ancho, 1 do
            turtle.forward()
        end
        turtle.turnRight()

    else
        turtle.turnLeft()
        for i = 1, ancho, 1 do
            turtle.forward()

        end
        turtle.turnRight()
        for i = 1, largo, 1 do
            turtle.back()

        end

    end

end
-- working good
function dig2d(largo, ancho, currentLayer, anchoInicial)
    local temp = ancho
    primeraMinada = ancho
    while temp > 0 do
        if temp == primeraMinada then
            digLargo(largo, currentLayer, anchoInicial, temp)
        else
            giro()
            digLargo(largo - 1, currentLayer, anchoInicial, temp)

        end

        temp = temp - 1
    end
    resetPosition(ancho, largo)

end

-- working always
function giro()

    turtle.turnRight()
    if turtle.detect() == true then
        turtle.dig()
        turtle.forward()
        turtle.turnRight()
    else
        turtle.turnRight()
        turtle.turnRight()
        turtle.dig()
        turtle.forward()
        turtle.turnLeft()

    end

end

-- working good
function digLargo(largo, currentLayer, anchoInicial, temp)
    while largo > 0 do
        if turtle.detect() == false then
            turtle.forward()
            largo = largo - 1
        else
            turtle.dig()

        end

    end

end

startAll()