auto save

da.py

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