save project

diy1.py

@@ -8,7 +8,8 @@ pen.penup()
 pen.goto(-100,100)
 pen.pencolor("red")
 pen.pendown()
-len=50
+len=screen.textinput("title","请输入爱心大小:")
+len=int(len)
 pen.left(45)
 pen.forward(2*len)
 pen.circle(50,180)