save project

diy1.py

@@ -8,17 +8,17 @@ pen.up()
 pen.goto(100,-200)
 pen.goto(100,-200)
 pen.write("你好nuoyi",font=("黑体",20,"normal"))
 pen.write("你好nuoyi",font=("黑体",20,"normal"))
 pen.hideturtle()
 pen.hideturtle()
-
-
 pen1=turtle.Pen()
 pen1=turtle.Pen()
 pen1.pensize(5)
 pen1.pensize(5)
 pen1.pencolor("green")
 pen1.pencolor("green")
+
+len=10
 pen1.left(45)
 pen1.left(45)
-pen1.forward(160)
-pen1.circle(80,180)
+pen1.forward(2*len)
+pen1.circle(len,180)
 pen1.right(90)
 pen1.right(90)
-pen1.circle(80,180)
-pen1.forward(160)
+pen1.circle(len,180)
+pen1.forward(2*len)
 
 
 turtle.done()
 turtle.done()