save project

a.py

@@ -50,11 +50,12 @@ pen.penup()
 pen.goto(-100,0)
 pen.goto(-100,0)
 pen.pendown()
 pen.pendown()
 pen.pencolor("green")
 pen.pencolor("green")
+len=10
 pen.left(45)
 pen.left(45)
-pen.forward(100)
-pen.circle(50,180)
+pen.forward(2*len)
+pen.circle(len,180)
 pen.right(90)
 pen.right(90)
-pen.circle(50,180)
-pen.forward(100)
+pen.circle(len,180)
+pen.forward(2*len)
 pen.heading()
 pen.heading()
 turtle.done()
 turtle.done()
\ No newline at end of file