
import turtle as t
from turtle import *
import random as r
import time
#定义几个函数先
#定义画彩灯的函数
def drawlight():
if r.randint(0,30) == 0:
color('tomato')
circle(6)
elif r.randint(0,30) == 1:
color('orange')
circle(3)
else:
linewidth = 5
color('dark green')
#定义画圣诞树的函数
def tree(d,s):
if d <= 0: return
forward(s)
tree(d-1, s * .8)
right(120)
tree(d-3, s * .5)
drawlight()
right(120)
tree(d-3, s * .5)
right(120)
backward(s)
#定义树下面小装饰的函数
def xzs():
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')