使用Python的turtle模块
```python
import turtle
设置画布大小和背景颜色
screen = turtle.Screen()
screen.setup(width=600, height=400)
screen.bgcolor("white")
创建五环的颜色列表
colors = ["blue", "yellow", "black", "green", "red"]
创建一个海龟对象
pen = turtle.Turtle()
pen.speed(2)
绘制五环图案
for i in range(5):
pen.penup()
pen.goto(-110 + i * 55, 0)
pen.pendown()
pen.color(colors[i])
pen.circle(50)
隐藏海龟
pen.hideturtle()
关闭画布
turtle.done()
```
使用纯HTML和CSS
```html