Ai made this code 2

-- Prompt the user to enter the length of the bridge
print("Enter the length of the bridge:")
length = tonumber(read())

-- Check if the length is valid
if length <= 0 then
  print("Error: Invalid length.")
  return
end

-- Place the first block of the bridge
turtle.placeDown()

-- Build the rest of the bridge
for i=2,length do
  if not turtle.placeDown() then
    -- Find the next slot with blocks
    for j=2,16 do
      turtle.select(j)
      if turtle.getItemCount() > 0 then
        turtle.placeDown()
        break
      end
    end
  end
  turtle.forward()
end

-- Return to the starting position
turtle.turnRight()
turtle.turnRight()
for i=2,length do
  turtle.forward()
end