save project

diy1.py

@@ -7,16 +7,16 @@ len=int(len)
 pen=turtle.Pen()
 pen.write("你好\nSB.",font=("Times",30,"normal"))
 pen.hideturtle()
-len=60
-pen.penup()
+pen.left(45)
+pen.penup(2*len)
 pen.goto(100,100)
 pen.pendown()
 pen.pensize(5)
 pen.pencolor("red")
 pen.left(45)
-pen.forward(2*len)
-pen.circle(len,180)
+pen.forward()
+pen.circle(,180)
 pen.right(90)
-pen.circle(len,180)
-pen.forward(2*len)
+pen.circle(,180)
+pen.forward()
 turtle.done()