save project

diy1.py

@@ -8,14 +8,15 @@ pen.goto(100,-100)
 pen.write("你好,\nturtle真好用，我会在上面画画",font=("Times",13,"normal"))
 pen.hideturtle()
 #画画
+len=100
 pen1=turtle.Pen()
 pen1.pensize(5)
 pen1.pencolor("red")
 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()
 turtle.done()