save project

diy1.py

@@ -8,17 +8,17 @@ pen1.penup()
 pen1.goto(100,-100)
 pen1.goto(100,-100)
 pen1.write("你好.",font=("Times",30,"normal"))
 pen1.write("你好.",font=("Times",30,"normal"))
 pen1.hideturtle()
 pen1.hideturtle()
-
+len=20
 
 
 
 
 pen=turtle.Pen()
 pen=turtle.Pen()
 
 
 pen.left(45)
 pen.left(45)
-pen.forward(40)
-pen.circle(20,180)
+pen.forward(2*len)
+pen.circle(len,180)
 pen.right(90)
 pen.right(90)
-pen.circle(20,180)
-pen.forward(40)
+pen.circle(len,180)
+pen.forward(2*len)
 
 
 pen.hideturtle()
 pen.hideturtle()
 turtle.done()
 turtle.done()
\ No newline at end of file