save project

xiaoluoshizhangsan.py

 import turtle
 import turtle
+len = 80
 screen = turtle.Screen()
 screen = turtle.Screen()
 screen.bgcolor("light blue")
 screen.bgcolor("light blue")
 pen =  turtle.Pen()
 pen =  turtle.Pen()
@@ -10,10 +11,10 @@ pen.pendown()
 pen.pencolor("red")
 pen.pencolor("red")
 pen.pensize(5)
 pen.pensize(5)
 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.hideturtle()
 pen.hideturtle()
 turtle.done()
 turtle.done()
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