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今天是聖誕節，先祝大家聖誕快樂！再送福利！先送你一棵聖誕樹！幸運的話還有一本書喲！快來領取吧！會Python編程的，自己照着下方代碼來一遍，你就擁有了美妙的聖誕樹；
不會編程的，關注我，跟着學，常練習，不懂就來私聊小助手，免費答疑。
當然，今天是聖誕節，不會代碼，也要送你一顆聖誕樹，領取方式在文末！
OK，會編程的看過來，不會代碼的移步文末咯！
1.簡單版
treeheight = 11
for i in range(treeheight):
print((' ' * (treeheight - i)) ('*' * ((2 * i) 1)))
print((' ' * treeheight) '|')
2.升級版
import turtle
screen = turtle.Screen()
screen.setup(800,600)
circle = turtle.Turtle()
circle.shape('circle')
circle.color('red')
circle.speed('fastest')
circle.up()
square = turtle.Turtle()
square.shape('square')
square.color('green')
square.speed('fastest')
square.up()
circle.goto(0,280)
circle.stamp()
k = 0
for i in range(1, 17):
y = 30*i
for j in range(i-k):
x = 30*j
square.goto(x,-y 280)
square.stamp()
square.goto(-x,-y 280)
square.stamp()
if i % 4 == 0:
x = 30*(j 1)
circle.color('red')
circle.goto(-x,-y 280)
circle.stamp()
circle.goto(x,-y 280)
circle.stamp()
k = 2
if i % 4 == 3:
x = 30*(j 1)
circle.color('yellow')
circle.goto(-x,-y 280)
circle.stamp()
circle.goto(x,-y 280)
circle.stamp()
square.color('brown')
for i in range(17,20):
y = 30*i
for j in range(3):
x = 30*j
square.goto(x,-y 280)
square.stamp()
square.goto(-x,-y 280)
square.stamp()
turtle.exitonclick()
3.高級版
from turtle import *
import random
import time
n = 80.0
speed("fastest")
screensize(bg='seashell')
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)
color("dark green")
backward(n*4.8)
def tree(d, s):
if d <= 0: return
forward(s)
tree(d-1, s*.8)
right(120)
tree(d-3, s*.5)
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 * random.random()
b = 10 - 20 * random.random()
up()
forward(b)
left(90)
forward(a)
down()
if random.randint(0, 1) == 0:
color('tomato')
else:
color('wheat')
circle(2)
up()
backward(a)
right(90)
backward(b)
time.sleep(60)
4.特級版
領取方式
識别二維碼，回複：聖誕樹
聖誕節怎麼能少了禮物！快來領取吧！ Devote yourselves to prayer,�being watchful and thankful.�
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