auto save

diy1.py

@@ -13,11 +13,11 @@ pen.pendown()
 pen.pensize(5)
 pen.pencolor("red")
 pen.left(45)
-pen.forward(2*len)
+pen.forward(2*j)
 pen.circle(j,180)
 pen.right(90)
 pen.circle(j,180)
-pen.forward(2*len)
+pen.forward(2*j)
 pen.penup()
 pen.goto(100,-100)
 pen.write("你好\n孤勇鸡。",font=("Times",30,"normal"))