karen-HW16-1.py 文件源码

def main():
    #??????
    windows=turtle.Screen()
    #????
    windows.bgcolor('pink')
    #???????
    bran=turtle.Turtle()#???T?????
    bran.shape('turtle')
    bran.color('purple')
    #????
    bran.speed(1)

    for i in range(1,20):
        bran.forward(100)
        bran.left(72)
        bran.forward(100)
        bran.right(144)