auto save

diy1.py

+import turtle
+s=turtle.Screen()
+s.bgcolor("blue")
+pen=turtle.Pen()
+pen.penup()
+pen.goto(100,-100)
+pen.write("Hi，~\n用python写电子贺卡真是太有趣啦~\n我也喜欢python~\n——悟空 ",font=("Times",18,"normal"))
+pen.hideturtle()
+t=turtle.Pen()
+t.pencolor("red")
+t.fillcolor("red")
+t.pensize(5)
+t.begin_fill()
+t.left(45)
+t.forward(200)
+t.circle(100,180)
+t.right(90)
+t.circle(100,180)
+t.forward(200)
+t.end_fill()
+turtle.done()
+