auto save

da.py

+import turtle
+#创建画笔
+pen=turtle.Pen()
+pen.fillcolor("red")
+pen.begin_fill()
+#循环
+for i in range(5):
+    pen.forward(200)
+    pen.right(144)
+pen.end_fill()
+#隐藏画笔
+pen.hideturtle()
+#保存
+turtle.done()
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