auto save

2.py

 import turtle    
 import turtle    
 screen=turtle.Screen()
 screen=turtle.Screen()
 screen.bgcolor("light blue")
 screen.bgcolor("light blue")
+screen.textinput("提示","你想要多大的爱心呀？")
+lovesize=int(len)
 pen=turtle.Pen()
 pen=turtle.Pen()
 pen.penup()
 pen.penup()
 pen.goto(0,-300)
 pen.goto(0,-300)
@@ -11,11 +13,12 @@ pen.goto(100,0)
 pen.pendown()
 pen.pendown()
 pen.pensize(5)
 pen.pensize(5)
 pen.pencolor("red")
 pen.pencolor("red")
-len=50
+len=50                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
 pen.left(45)
 pen.left(45)
-pen.forward(2*len)
-pen.circle(len,180)
+pen.forward(2*lovesize)
+pen.circle(lovesize,180)
 pen.right(90)
 pen.right(90)
-pen.circle(len,180)
-pen.forward(2*len)
-turtle.done()                                            
+pen.circle(lovesize,180)
+pen.forward(2*lovesize)
+turtle.done()               
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+                      
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