mon on/off switch

local mon = peripheral.find("monitor")
mon.clear()
while true do
  mon.setCursorPos(1, 1)
  mon.write("test")
  event, side, x, y = os.pullEvent ("monitor_touch")
  if x == 1 and y == 1 then
    mon.setCursorPos(3, 3)
    mon.write("klik")
  end
  event, side, x1, y1 = os.pullEvent ("monitor_touch")
    if x1 == 1 and y1 == 1 then
      mon.clearLine()
    end
end