lift

local args = { ... }
local levels = 5
if #args ~= 0 then
    if tonumber(args[1]) == nil then
        error("input must be a number")
    else
        levels = tonumber(args[1])
    end
end

for i = 1, levels, 1 do
    turtle.up()
    sleep(0.8)
end

sleep(2)

for i = 1, levels, 1 do
    turtle.down()
end