save project

1.py

-import turtle
+import turtle
 screen=turtle.Screen()
 len=screen.textinput("提示","你想要多大的爱心呀")
 lovesize=int(len)
-pen.bgcolor("light blue")
+screen.bgcolor("light blue")
 pen=turtle.Pen()
 pen.penup()
 pen.goto(100,-100)
@@ -11,7 +11,6 @@ pen.hideturtle()
 pen1=turtle.Pen()
 pen1.pencolor("red")
 pen1.pensize(5)
-lovesize=60
 pen1.left(45)
 pen1.forward(2*lovesize)
 pen1.circle(lovesize,180)