auto save

diy1.py

 import turtle
 pen = turtle.Pen()
 pen.speed(0)# 请创造师在下面接着创作
-for i in range(1,300):
+distance = 1
+for i in range(300):
     pen.forward(distance)
     pen.right(91)
+    distance += 1
 pen.right(91)
+# 隐藏画笔，保存画布
 pen.hideturtle()
 turtle.done()
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