Python练习-turtle之同心圆

Python练习-turtle之同心圆

import turtle as a

color = ["red", "yellow", "blue", "black", "green"]

r = 10
a.pensize(5)
for i in range(0, len(color)):
    for j in range(0, len(color)):
        a.penup()  # 提笔
        a.color(color[j])
        a.goto(0, -r)
        r += 10
        a.pendown()
        a.circle(r, 360)
a.done()