save project

diy1.py

@@ -6,16 +6,16 @@ pen.penup()
 pen.goto(100,-100)
 pen.goto(100,-100)
 pen.write("你好呀",font=("Times",30,"normal"))
 pen.write("你好呀",font=("Times",30,"normal"))
 pen.hideturtle()
 pen.hideturtle()
-
+len=60
 b1=turtle.Pen()
 b1=turtle.Pen()
 b1.pencolor("blue")
 b1.pencolor("blue")
 b1.pensize(5)
 b1.pensize(5)
 b1.left(45)
 b1.left(45)
-b1.forward(100)
-b1.circle(50,180)
+b1.forward(2*len)
+b1.circle(len,180)
 b1.right(90)
 b1.right(90)
-b1.circle(50,180)
-b1.forward(100)
+b1.circle(len,180)
+b1.forward(2*len)
 b1.hideturtle()
 b1.hideturtle()
 turtle.done()
 turtle.done()