save project

diy1.py

@@ -8,15 +8,16 @@ pen.penup()
 pen.goto(100,-50)
 pen.down()
 pen.write("你好\n.sb",font=("Times",30,"normal"))
+len=60
 pen.penup()
 pen.goto(0,0)
 pen.down()
 pen.pencolor("red")
 pen.pensize(5)
 pen.left(45)
-pen.forward(100)
+pen.forward(2*len)
 pen.circle(50,180)
 pen.right(90)
-pen.circle(50,180)
-pen.forward(100)
+pen.circle(len,180)
+pen.forward(2*len)
 turtle.done()
\ No newline at end of file