day16-sample-code.py 文件源码

def main():
  #??????
  windows = turtle.Screen()
  #????
  windows.bgcolor('blue')
  #????????
  bran = turtle.Turtle()
  bran.shape('turtle')
  bran.color('yellow')
  #????
  bran.speed(1)
  #???
  for i in range(1,10):
    bran.forward(100)
    bran.right(90)
    bran.forward(150)
    bran.right(90)
    bran.forward(100)
    bran.right(90)
    bran.forward(150)
    bran.right(90)
  #???