auto save

hello.py

+import turtle   #导入turtle
+pen=turtle.Pen() #创建一个画笔
+pen.speed(1000)  #设置填充速度
+pen.shape("classic")#改变画笔形状
+pen.fillcolor("")#选择颜色
+pen.begin_fill()#开始填充
+for i in range(1000):
+    pen.forward(200)
+    pen.right(180)
+    pen.left(32)
+pen.end_fill()#结束填充
+turtle.done()#保存画布
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