CC: tofu1

-- tofu1
-- put 4 blocks in the ground

turtle.up()  -- move up one step

-- place 4 blocks on the ground with the "for statement"
for i=1,4 do
  turtle.forward()  -- move to next position
  turtle.placeDown()  -- place a block (1st, 2nd, 3rd, 4th)
end