forward(steps) - Move ahead a number of steps., backward(steps) - Move back a number of steps., left(angle) - turn counterclockwise which is left., right(angle) - turn clockwise which is right., speed("slowest") - adjust the speed., shape("turtle") - change the shape of the symbol.,

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?