用python的turtle库画一个地图

以下是一个使用Python的turtle库画一个简单地图的示例代码：

import turtle

# 创建一个Turtle对象
map_turtle = turtle.Turtle()

# 设置窗口大小
turtle.setup(800, 600)

# 设置画笔速度
map_turtle.speed(1)

# 画出地图边界
map_turtle.penup()
map_turtle.goto(-300, 200)
map_turtle.pendown()
map_turtle.pensize(3)
map_turtle.color("black")
map_turtle.forward(600)
map_turtle.right(90)
map_turtle.forward(400)
map_turtle.right(90)
map_turtle.forward(600)
map_turtle.right(90)
map_turtle.forward(400)

# 画出城市1
map_turtle.penup()
map_turtle.goto(-200, 100)
map_turtle.pendown()
map_turtle.pensize(2)
map_turtle.color("red")
map_turtle.circle(20)

# 画出城市2
map_turtle.penup()
map_turtle.goto(0, 100)
map_turtle.pendown()
map_turtle.color("blue")
map_turtle.circle(20)

# 画出城市3
map_turtle.penup()
map_turtle.goto(200, -100)
map_turtle.pendown()
map_turtle.color("green")
map_turtle.circle(20)

# 关闭窗口
turtle.done()

这段代码将会在窗口中画出一个长方形的地图边界，以及三个红、蓝和绿色的圆圈代表城市。你可以根据需要修改代码来绘制更复杂的地图