import turtle as t
from turtle import *
import random as r
import time
n = 100
speed("fastest")
pensize(5)
screensize(bg='pink')
left(90)
forward(3*n)
t.colormode(255)
t.pencolor(253,141,144)
t.write(" Happy Festival",align ="center",font=("MV Boli",60,"bold"))
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, 20) == 0: color('tomato') circle(6)elif r.randint(0,20) == 1: color('orange') circle(3)else: color('purple') color("dark green")backward(n*4.8)
def tree(d, s):#开始画树
if d <= 0: returnforward(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)tree(15, n)
backward(n/2)
for i in range(300):
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)t.color("dark red","red")t.write(" Merry Christmas",align ="center",font=("Comic Sans MS",20,"bold"))
def drawsnow():#农产品期货定义画雪花的办法
t.ht() t.pensize(5) for i in range(400): t.pencolor("white") t.pu() t.setx(r.randint(-550,550)) t.sety(r.randint(-100,350)) t.pd() dens = 6 snowsize = r.randint(1,10) for j in range(dens): t.fd(int(snowsize)) t.backward(int(snowsize)) #t.bd(int(snowsize)) t.right(int(360/dens)) drawsnow()#调用画雪花的办法
time.sleep(60)
t.exitonclick()