auto save

diy1.py

@@ -9,7 +9,8 @@ pen.forward(-200)
 pen.pendown()
 pen.pensize(10)
 pen.color("red")
-len=90
+len=screen.textinput("提示","请输入爱心的大小")
+len=int(len)
 pen.left(45)
 pen.forward(2*len)
 pen.circle(len,180)