"""
使用turtle模块画图
每次移动都增加画笔移动的长度，并旋转91°，重复执行300次，查看效果
"""
import turtle


pen = turtle.Pen()
screen = turtle.Screen()
screen.bgcolor("light pink")
colors=["white","blue","violet","cyan"]
# 请创造师在下面接着创作
distance=1
pen.speed(1000)
for i in range(1,300):
    pen.pencolor(colors[i%4])
    pen.forward(i)
    pen.right(91)
# 隐藏画笔，保存画布
pen.hideturtle()
turtle.done()