example

function fuelcheck()

        if turtle.getItemCount(3) <1 then
        	turtle.select(3)
        	turtle.down()
        	turtle.turnLeft()
        	turtle.turnLeft()
        	turtle.suck()
        end
        repeat
        	turtle.drop(1)
        until
		turtle.getItemCount() == 5
        end

        turtle.turnRight()
        turtle.turnRight()
        turtle.up()
        print("Got the fuel")
end