save project

jk.py

 import turtle
-len=50
 pen=turtle.Pen()
 pen1=turtle.Pen()
 screen=turtle.Screen()
 screen.bgcolor("light blue")
+len=screen.textinput("爱心大小","请输入你的大小")
 pen.penup()
 pen.write("你好",font=("Times",30,"normal"))
-pen1.hideturtle()
+pen.hideturtle()
 pen.goto(-100,0)
 pen.pendown()
 pen.pencolor("red")
+pen.pensize(int(len))
 pen.left(45)
-pen.forward(100)
-pen.circle(len,180)
+pen.forward(2*int(len))
+pen.circle(int(len),180)
 pen.right(90)
-pen.circle(len,180)
-pen.forward(100)
+pen.circle(int(len),180)
+pen.forward(2*int(len))
 pen.hideturtle()
 turtle.done()