用Python画出圣诞树，瞧瞧我这简易版的吧

n = 100.0

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speed("fastest")

screensize(bg='black')

left(90)

forward(3*n)

color("orange", "yellow")

begin_fill()

left(126)

for i in range(5):

    forward(n/5)

    right(144)

    forward(n/5)

    left(72)

end_fill()

right(126)

def drawlight():

    if r.randint(0, 30) == 0:

        color('tomato')

        circle(6)

    elif r.randint(0,30) == 1:

        color('orange')

        circle(3)

    else:

        color('dark green')

color("dark green")

backward(n*4.8)

def tree(d, s):

    if d <=跟单网gendan5.com 0: return

    forward(s)

    tree(d-1, s*.8)

    right(120)

    tree(d-3, s*.5)

    drawlight()#同时画小彩灯

    right(120)

    tree(d-3, s*.5)

    right(120)

    backward(s)

tree(15, n)

backward(n/2)

for i in range(200):

    a = 200 - 400 * r.random()

    b = 10 - 20 * r.random()

    up()

    forward(b)

    left(90)

    forward(a)

    down()

    if r.randint(0, 1) == 0:

            color('tomato')

    else:

        color('wheat')

    circle(2)

    up()

    backward(a)

    right(90)

    backward(b)