save project

diy1.py

@@ -3,10 +3,11 @@
 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
 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
 import turtle
-
+ll=["red","orang","yellow","green"]
+q=turtle.Screen()
 pen = turtle.Pen()
 pen = turtle.Pen()
-pen.pencolor("red")
-# 请创造师在下面接着创作
+pen.pencolor(ll[i%4])
+q.bgcolor("black")
 for i in range(1,300):
 for i in range(1,300):
     pen.forward(i)
     pen.forward(i)
     pen.right(91)
     pen.right(91)