auto save

sb.py

 import turtle
+screen=turtle.Screen()
+screen.bgcolor("light blue")
 pen=turtle.Pen()
 pen.penup()
 pen.goto(100,-100)
-pen.write("Hi,诺依~\n用python写电子贺卡真的是太有趣啦~\n我也喜欢python~\n——悟空"，font=("Times",18,"normal"))
+pen.write("Hi,诺依~\n用python写电子贺卡真的是太有趣啦~\n我也喜欢python~\n——悟空",font=("Times",18,"normal"))
 pen.hideturtle()
 pen1=turtle.Pen()
 pen1.pencolor("red")
 pen1.pensize(5)
 pen1.left(45)
 pen1.forward(100)
-pen1.circle(50,100)
+pen1.circle(50,180)
 pen1.right(90)
 pen1.circle(50,180)
 pen1.forward(100)