MobFarm

local fuel = "minecraft:lava_bucket"
local keep = {
    [fuel] = true,
    ["minecraft:bucket"] = true
}
while true do
    turtle.attack()
        for i=2,16 do
            if turtle.getItemCount(i) > 0
            then turtle.select(i)
                turtle.dropDown();
        end
    end
sleep(1)
end