auto save

diy1.py

 import turtle
+screen=turtle.Screen()
+screen.bgcolor("blue")
 pen=turtle.Pen()
 pen.penup()
 pen.goto(100,-100)
@@ -7,11 +9,13 @@ pen.hideturtle()
 pen1=turtle.Pen()
 pen1.pensize(10)
 pen1.pencolor("pink")
+lovesize=screen.textinput("标题","请输入爱心的大小")
+len=int(lovesize)
 pen1.left(45)
-pen1.forward(100)
-pen1.circle(50,180)
+pen1.forward(2*len)
+pen1.circle(len,180)
 pen1.right(90)
-pen1.circle(50,180)
-pen1.forward(100)
+pen1.circle(len,180)
+pen1.forward(2*len)
 
 turtle.done()