用python写一个蒙娜丽莎

编写一个Python程序来绘制蒙娜丽莎的示例代码如下：

import turtle

# 创建一个画布
screen = turtle.Screen()
screen.setup(800, 800)

# 创建一个画笔
pen = turtle.Turtle()
pen.speed(1)

# 绘制蒙娜丽莎的脸
pen.penup()
pen.goto(-100, 100)
pen.pendown()
pen.circle(100)

# 绘制蒙娜丽莎的眉毛
pen.penup()
pen.goto(-70, 180)
pen.pendown()
pen.setheading(-60)
pen.circle(30, 120)
pen.penup()
pen.goto(-70, 180)
pen.pendown()
pen.setheading(60)
pen.circle(-30, 120)

# 绘制蒙娜丽莎的眼睛
pen.penup()
pen.goto(-70, 80)
pen.pendown()
pen.setheading(-60)
pen.circle(30, 120)
pen.penup()
pen.goto(-70, 80)
pen.pendown()
pen.setheading(60)
pen.circle(-30, 120)

# 绘制蒙娜丽莎的鼻子
pen.penup()
pen.goto(-100, 40)
pen.pendown()
pen.setheading(-30)
pen.forward(60)
pen.setheading(180)
pen.circle(15, -180)
pen.setheading(30)
pen.forward(60)

# 绘制蒙娜丽莎的嘴巴
pen.penup()
pen.goto(-100, 10)
pen.pendown()
pen.setheading(-30)
pen.circle(70, 120)

# 绘制蒙娜丽莎的背景
pen.penup()
pen.goto(-300, -300)
pen.pendown()
pen.fillcolor("lightgray")
pen.begin_fill()
for _ in range(4):
    pen.forward(600)
    pen.left(90)
pen.end_fill()

# 隐藏画笔
pen.hideturtle()

# 显示画布
turtle.done()

这段代码使用了Python的turtle库来绘制蒙娜丽莎的轮廓和特征。运行代码后，将会显示一个绘制好的蒙娜丽莎图像