save project

xxx.py

 import turtle
 Pen=turtle.Pen()
+len=10
 screen=turtle.Screen()
-screen.bgcolor("green")
+screen.bgcolor("light blue")
 Pen.penup()
 Pen.goto(100,-100)
 Pen.write("f",font=("Times",30,"normal"))
@@ -10,11 +11,11 @@ pen1=turtle.Pen()
 pen1.fillcolor("red")
 pen1.begin_fill()
 pen1.left(45)
-pen1.forward(100)
-pen1.circle(50,180)
+pen1.forward(len*2)
+pen1.circle(len,180)
 pen1.right(90)
-pen1.circle(50,180)
-pen1.forward(100)
+pen1.circle(len,180)
+pen1.forward(len*2)
 pen1.end_fill()
 pen1.hideturtle()
 turtle.done()
\ No newline at end of file