auto save

star.py

 """
 请使用turtle模块画出五角星
 """
+#导入turtle工具包
 import turtle
-
-
+#创建一个画笔
 pen = turtle.Pen()
-
+#开始画五角星
 for i in range(5):
     pen.forward(200)
     pen.right(144)
+#隐藏画笔箭头
 pen.hideturtle()
-turtle.done()
-
+#调用画布
+turtle.done()
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