save project

diy1.py

 import turtle
 screen=turtle.Screen()
+len=screen.textinput("提示","提示")
+lovesize=int(len)
 screen.bgcolor("pink")
 pen=turtle.Pen()
 pen.penup()
@@ -8,11 +10,10 @@ pen.write("诺依，\nturtle真好用，\n我会在画布上写字了!",font=("T
 pen1=turtle.Pen()
 pen1.pencolor("red")
 pen1.pensize(5)
-len=100
 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*lovesize)
 turtle.done()
\ No newline at end of file