save project

diy1.py

@@ -8,11 +8,11 @@ pen1=turtle.Pen()
 pen1.pencolour("red")
 pen1.pensize(5)
 pen1.left(45)
-pen1.forward(100)
+pen1.forward(2*len)
 pen1.circle(50,180)
 pen1.right(90)
 pen1.circle(50,180)
-pen1.forward(100)
+pen1.forward(2*len)
 pen1.hideturtle()
 turtle.done()
 screen=turtle.Screen()
@@ -22,4 +22,4 @@ pen.penup()
 pen.goto(-100,0)
 pen.write("祝你生日快乐!",font=("times",30,"normal"))
 pen.hideturtle()
-turtle.done()
\ No newline at end of file
+turtle.done()