defense

rednet.open("right")

while true do
  local id,message,dist = rednet.receive()
  if message=="defense_a" then
    while true do
            turtle.attack()
            local n = turtle.getItemCount(16)
            for s=1, 16 do
                    if n > 0 then
                            turtle.select(s)
                            turtle.dropUp()
                    end
            end
            turtle.select(1)
    end

else
  os.shutdown()


  end
end