2401_90000503:

import turtle

# 设置窗口

screen = turtle.Screen()

screen.bgcolor("black")

# 创建画笔

pen = turtle.Turtle()

pen.speed(10)

pen.color("green")

# 绘制树身

pen.penup()

pen.goto(0, -200)

pen.pendown()

pen.begin_fill()

pen.left(90)

pen.forward(200)

pen.right(120)

pen.forward(200)

pen.right(120)

pen.forward(200)

pen.end_fill()

# 绘制装饰

colors = ["red", "yellow", "blue"]

pen.penup()

pen.goto(0, -100)

for _ in range(10):

pen.color(colors[_ % 3])

pen.dot(20)

pen.forward(40)

pen.right(36)

# 绘制树干

pen.penup()

pen.goto(0, -200)

pen.pendown()

pen.color("brown")

pen.begin_fill()

pen.right(90)

pen.forward(30)

pen.right(90)

pen.forward(40)

pen.right(90)

pen.forward(30)

pen.end_fill()

turtle.done()