auto save

diy1.py

-import turtle
-pen = turtle.Pen()
-# 请创造师在下面接着创作
-colors=["red","orange","yellow","green"]
-for i in range(1,300):
-    pen.forward(i)
-    pen.pencolor(colors[i%4])
-    pen.right(91)
-# 隐藏画笔，保存画布
-turtle.done()
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