python圣诞树

圣诞节即将到来，你准备好了代码了吗？

第一种

# -*- coding: utf-8 -*-
"""
功能：圣诞树1
作者：cxf
日期：2021年12月22日
"""
height = 5
stars = 1
for i in range(height):
    print((' ' * (height - i) + ('*' * stars)))
    stars += 2
    print((' ' *  height) + '|')

第二种 方块圣诞树

# -*- coding: utf-8 -*-
"""
功能：圣诞树2
作者：cxf
日期：2021年12月22日
"""
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()

第三种 线性圣诞树

# -*- coding: utf-8 -*-
"""
功能：圣诞树3
作者：cxf
日期：2021年12月22日
"""
import turtle as t 
from turtle import *
import random as r
import time
n = 100.0
t.pensize(10)
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:
        linewidth = 5
        color('dark green')
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)
    drawlight()
    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)
t.color("dark red", "red") 
t.write("Merry Christmas", align="center", font=("Comic Sans MS", 40, "bold"))
def drawsnow():
    t.ht()
    t.pensize(2)
    for i in range(200): 
        t.pencolor("white")
        t.pu()
        t.setx(r.randint(-350, 350))
        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.right(int(360 / dens))
drawsnow()