save project

diy1.py

@@ -8,14 +8,15 @@ pen.penup()
 pen.goto(100,-100)
 pen.goto(100,-100)
 pen.write('陈博，\n生日快乐！',font=('Times',25,'normal'))
 pen.write('陈博，\n生日快乐！',font=('Times',25,'normal'))
 pen.hideturtle()
 pen.hideturtle()
+len=70
 pen1=turtle.Pen()
 pen1=turtle.Pen()
 pen1.pencolor('blue')
 pen1.pencolor('blue')
 pen1.pensize(3)
 pen1.pensize(3)
 pen1.left(45)
 pen1.left(45)
-pen1.forward(100)
-pen1.circle(50,180)
+pen1.forward(2*len)
+pen1.circle(len,180)
 pen1.right(90)
 pen1.right(90)
-pen1.circle(50,180)
-pen1.forward(100)
+pen1.circle(len,180)
+pen1.forward(2*len)
 pen1.hideturtle()
 pen1.hideturtle()
 turtle.done()
 turtle.done()