auto save

star.py

 import turtle
 import turtle
 pen = turtle.Pen()
 pen = turtle.Pen()
 pen.shape("turtle")
 pen.shape("turtle")
-for i in range(5):
-    pen.forword(200)
-    pen.right(144)
+for i in range(4):
+    pen.forword(20)
+    pen.right(90)
 pen.hideturtle()
 pen.hideturtle()
 turtle.done()
 turtle.done()
-请使用turtle模块画出五角星