save project

diy1.py

@@ -4,15 +4,16 @@ pen=turtle.Pen()
 pen.penup()
 pen.goto(0,-180)
 pen.write("生日快乐",font=("times",30,"normal"))
+len=60
 pen1=turtle.Pen()
 pen1.pensize(5)
 pen1.pencolor("red")
 pen1.left(45)
-pen1.forward(100)
-pen1.circle(50,180)
+pen1.forward(len)
+pen1.circle(len/2,180)
 pen1.right(90)
-pen1.circle(50,180)
-pen1.forward(100)
+pen1.circle(len/2,180)
+pen1.forward(len)
 screen=turtle.Screen()
 screen.bgcolor("pink")
 pen1. hideturtle()