save project

diy1.py

 import turtle
 screen=turtle.Screen()
 screen.bgcolor("light blue")
-len=screen.textinput("100","100")
-len=int(len)
+len=screen.textinput("提示","爱心的大小是多少 ")
+a=float(len)
 pen=turtle.Pen()
 pen.penup()
 pen.goto(100,-50)
 pen.down()
 pen.write("你好\n.sb",font=("Times",30,"normal"))
-len=60
 pen.penup()
 pen.goto(0,0)
 pen.down()
 pen.pencolor("red")
 pen.pensize(5)
 pen.left(45)
-pen.forward(2*len)
-pen.circle(50,180)
+pen.forward(2*a)
+pen.circle(a,180)
 pen.right(90)
-pen.circle(len,180)
-pen.forward(2*len)
+pen.circle(a,180)
+pen.forward(2*a)
 turtle.done()
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