save project

diy1.py

 import turtle
 pen=turtle.Pen()
+len=screen.textinput("提示","你想要多大的爱心呀？")
+lovesize=int(len)
 screen=turtle.Screen()
 screen.bgcolor("light pink")
 pen.penup()
@@ -13,11 +15,11 @@ pen.pensize(10)
 pen.pencolor("red")
 pen.left(45)
 len=60
-pen.forward(2*len)
-pen.circle(len,180)
+pen.forward(2*lovesize)
+pen.circle(lovesize,180)
 pen.pencolor("red")
 pen.right(90)
-pen.circle(len,180)
-pen.forward(2*len)
+pen.circle(lovesize,180)
+pen.forward(2*lovesize)
 pen.hideturtle()
 turtle.done()
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