Python左手画条龙右手画个彩虹

　　左手画龙右手画彩虹听说很火，Python也可以画出很美的彩虹，准确的说像彩虹棒棒糖：）

　　效果如下图：

# -*- coding: utf-8 -*- 
# @Time : 2019/12/16 23:28 
# @Author : Nola
# @File : pen_something.py

import turtle

t = turtle.Pen()
turtle.bgcolor("black")

sides = 6  # 绘制6个边
colors = ["red", "yellow", "green", "blue", "orange", "purple"]

for x in range(360):
    t.pencolor(colors[x % sides])
    t.forward(x * 3 / sides + x)
    t.left(360 / sides + 1)
    t.width(x * sides / 180)
    t.left(91)