auto save

diy1.py

+import turtle
+pen=turtle.Pen()
+eg=turtle.Screen()
+eg.bgcolor("yellow")
+pen.penup()
+pen.goto(100,-100)
+pen.write("你好呀",font=("Times",30,"normal"))
+pen.hideturtle()
+len=60
+b1=turtle.Pen()
+b1.pencolor("blue")
+b1.pensize(5)
+b1.left(45)
+b1.forward(2*len)
+b1.circle(len,180)
+b1.right(90)
+b1.circle(len,180)
+b1.forward(2*len)
+b1.hideturtle()
+turtle.done()
+