画圆和五角星

1. 画一组同切圆
2. 画一组同心圆
3. 画一个五角星
4. 画一个黄色实心五角星

1.答

import turtle
turtle.circle(60)
turtle.circle(20)
turtle.circle(60,extent=120)
turtle.circle(20)
turtle.circle(60,extent=120)
turtle.circle(20)

2.答

import turtle
turtle.circle(30)
turtle.up()
turtle.goto(0,-20)
turtle.down()
turtle.circle(50)
turtle.up()
turtle.goto(0,-40)
turtle.down()
turtle.circle(70)

3.答

import turtle
turtle.forward(200)
turtle.right(144)
turtle.forward(200)
turtle.right(144)
turtle.forward(200)
turtle.right(144)
turtle.forward(200)
turtle.right(144)
turtle.forward(200)

4.答

import turtle
turtle.color(‘yellow‘)
turtle.fillcolor(‘yellow‘)
turtle.begin_fill()
turtle.forward(200)
turtle.right(144)
turtle.forward(200)
turtle.right(144)
turtle.forward(200)
turtle.right(144)
turtle.forward(200)
turtle.right(144)
turtle.forward(200)
turtle.end_fill()

画圆和五角星

原文：http://www.cnblogs.com/lwb9511/p/7493086.html