python 用turtle库画几个好玩有特点的图形

以下是三个用turtle库画的好玩的图形：

螺旋画圆

import turtle

turtle.speed(0)

for i in range(100):
    turtle.circle(5*i)
    turtle.circle(-5*i)
    turtle.left(i)
    
turtle.done()

五角星

import turtle

turtle.speed(0)

for i in range(5):
    turtle.forward(200)
    turtle.right(144)
    
turtle.done()

彩虹色螺旋

import turtle

turtle.bgcolor("black")
turtle.speed(0)

colors = ["red", "orange", "yellow", "green", "blue", "purple"]

for i in range(360):
    turtle.pencolor(colors[i % len(colors)])
    turtle.width(i/100 + 1)
    turtle.forward(i)
    turtle.left(59)
    
turtle.done()
``