save project

diy1.py

 import turtle
 screen=turtle.Screen()
+len=screen.textinput("提示","你想要多大的爱心？")
+lovesize=int(len)
 screen.bgcolor("blue")
 pen=turtle.Pen()
 pen.penup()
@@ -11,10 +13,10 @@ pen1.pencolor("red")
 pen1.pensize(5)
 len=70
 pen1.left(45)
-pen1.forward(2*len)
-pen1.circle(len,180)
+pen1.forward(2*lovesize)
+pen1.circle(lovesize,180)
 pen1.right(90)
-pen1.circle(len,180)
-pen1.forward(2*len)
+pen1.circle(lovesize,180)
+pen1.forward(2*size)
 pen1.hideturtle()
 turtle.done()
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