stairs.lua

term.clear()
print("Insert fuel in space #1")

while true do
    turtle.refuel()
    if turtle.getFuelLevel() > 200 then
        break
    end
end

term.clear()
print("Refueling successful")
sleep(2)
term.clear()
local width
print("Please insert column width.")
while width == nil do
    width = io.read()
    width = tonumber(width)
end