# 画花花

``````import turtle as T
import random
import time

# 画樱花的躯干(60,t)
def Tree(branch, t):
#time.sleep(0.0005)
time.sleep(0.005)
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)  # 6
t.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)
Tree(70, t)
# 掉落的花瓣
Petal(200, t)
w.exitonclick()
``````