import turtle as t n = eval(input()) t.penup() t.goto(-350,0) t.pendown() t.pensize(2) t.color("blue","yellow") t.begin_fill() for i in range(3,n): t.circle(50, steps=i) t.fd(100) else: t.circle(50) t.end_fill() t.hideturtle() t.done()
原文：https://www.cnblogs.com/Eikon/p/13727233.html