save project

diy_3.py

@@ -2,13 +2,13 @@ import turtle
 screen=turtle.Screen()
 screen.bgcolor("light blue")
 pen=turtle.Pen()
-len=60
+length=screen.textinput("询问","想要多大的爱心?")
+len=int(length)
 pen.lt(45)
 pen.fd(len*2)
 pen.circle(len,180)
 pen.rt(90)
 pen.circle(len,180)
 pen.fd(len*2)
-len-=20
 pen.hideturtle()
 turtle.done()