樱花落（python）

import turtle as T
import random
import time# 画樱花的躯干(60,t)
def Tree(branch, t):time.sleep(0.0005)if branch > 3:if 8 <= branch <= 12:if random.randint(0, 2) == 0:t.color('snow')  # 白else:t.color('lightcoral')  # 淡珊瑚色t.pensize(branch / 3)elif branch < 8:if random.randint(0, 1) == 0:t.color('snow')else:t.color('lightcoral')  # 淡珊瑚色t.pensize(branch / 2)else:t.color('sienna')  # 赭(zhě)色t.pensize(branch / 10)  # 6t.forward(branch)a = 1.5 * random.random()t.right(20 * a)b = 1.5 * random.random()Tree(branch - 10 * b, t)t.left(40 * a)Tree(branch - 10 * b, t)t.right(20 * a)t.up()t.backward(branch)t.down()# 掉落的花瓣
def Petal(m, t):for i in range(m):a = 200 - 400 * random.random()b = 10 - 20 * random.random()t.up()t.forward(b)t.left(90)t.forward(a)t.down()t.color('lightcoral')  # 淡珊瑚色t.circle(1)t.up()t.backward(a)t.right(90)t.backward(b)# 绘图区域
t = T.Turtle()
# 画布大小
w = T.Screen()
t.hideturtle()  # 隐藏画笔
t.getscreen().tracer(5, 0)
w.screensize(bg='wheat')  # wheat小麦
t.left(90)
t.up()
t.backward(150)
t.down()
t.color('sienna')# 画樱花的躯干
Tree(60, t)
# 掉落的花瓣
Petal(200, t)
w.exitonclick()