"""
连续画正多边形.py
"""
from turtle import *
colors = ['red','orange','yellow','green','cyan',
'blue','purple','brown','pink','magenta']
t = Turtle()
screen = t.getscreen()
screen.delay(0)
screen.title("连续画正多边形")
t.width(4)
for i in range(18):
n = 3
while n < 12 :
index = n % len(colors) # 通过求余设定索引
ys = colors[index] # 取颜色
t.color(ys) # 设定颜色
c = 0
while c < n :
t.fd(10)
t.right(360/n)
c = c + 1
t.fd(10+n*3)
n = n + 1
t.goto(0,0) # 回到屏幕中央
t.right(20)
