save project

diy1.py

 import turtle
 pen=turtle.Pen()
 screen=turtle.Screen()
+len=screen.textinput("爱心大小","要画多大的爱心?")
+len1=int(len)
 screen.bgcolor("pink")
 pen.penup()
 pen.goto(100,-100)
@@ -11,10 +13,10 @@ pen1.pensize(5)
 pen1.pencolor("yellow")
 pen1.left(45)
 len=60
-pen1.forward(2*len)
-pen1.circle(len,180)
+pen1.forward(2*len1)
+pen1.circle(len1,180)
 pen1.right(90)
-pen1.circle(len,180)
-pen1.forward(2*len)
+pen1.circle(len1,180)
+pen1.forward(2*len1)
 pen1.hideturtle()
 turtle.done()
\ No newline at end of file