roomba

local i = 0
while i ~= 1000 do
  if turtle.detect() then
    if math.random(2) == 1 then
      turtle.turnRight()
    else
      turtle.turnLeft()
    end
  else
    turtle.forward()
    if math.random(3) == 1 then
      if math.random(2) == 1 then
        turtle.turnLeft()
      else
        turtle.turnRight()
      end
    end
  end
  i = i+1
  os.sleep(1)
end