auto save

ddd.py

 import turtle
 import turtle
+len=60
 screen=turtle.Screen()
 screen=turtle.Screen()
-screen.bgcolor("light red")
+screen.bgcolor("blue")
 pen=turtle.Pen()
 pen=turtle.Pen()
 pen.penup()
 pen.penup()
 pen.goto(100,-100)
 pen.goto(100,-100)
-pen.write("Hi,诺依~\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",20,"normal"))
+pen.write("Hi,诺依~\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",20,"normal"))
 pen.hideturtle()
 pen.hideturtle()
 pen1=turtle.Pen()
 pen1=turtle.Pen()
-pen1.pendown("blue")
+pen1.pendown()
 pen1.pensize(5)
 pen1.pensize(5)
 pen1.left(45)
 pen1.left(45)
-pen1.forward(100)
-pen1.circle(50,180)
+pen1.forward(2*len)
+pen1.circle(len,180)
 pen1.right(90)
 pen1.right(90)
-pen1.circle(50,180)
-pen1.forward(100)
+pen1.circle(len,180)
+pen1.forward(2*len)
 pen1.hideturtle()
 pen1.hideturtle()
 turtle.done()
 turtle.done()
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