save project

diy1.py

 import turtle
 screen = turtle.Screen()
-screen.bgcolor("red")
+screen.bgcolor("blue")
 pen = turtle.Pen()
 pen.penup()
 pen.goto(100,-100)
@@ -10,12 +10,13 @@ pen.hideturtle()
 pen1 = turtle.Pen()
 pen1.pensize(5)
 pen1.pencolor("green")
+len = 60
 pen1.left(45)
-pen1.forward(100)
-pen1.circle(50,180)
+pen1.forward(2*len)
+pen1.circle(len,180)
 pen1.right(90)
-pen1.circle(50,180)
-pen1.forward(100)
+pen1.circle(len,180)
+pen1.forward(2*len)
 
 pen1.hideturtle()