auto save

diy1.py

@@ -10,7 +10,7 @@ colors=["red","green","red","green"]
 for i in range(30000):
     pen.pencolor(colors[i%4])
     pen.forward(i)
-    pen.right(91)
+    pen.right(90.5)
 # 隐藏画笔，保存画布
 pen.hideturtle()
 turtle.done()
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