save project

diy1.py

@@ -3,11 +3,12 @@
 #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
+colors=["red","orange","yello","green"]
 for i in range(1,300):
     pen.left(91)
     pen.forward(i)
-colors=["red","orange","yello","green"]
-pen.pencolor(colors[i%4])
+    pen.pencolor(colors[i%4])
 # 隐藏画笔，保存画布
 pen.hideturtle()
 turtle.done()
\ No newline at end of file