save project

diy1.py

@@ -3,7 +3,7 @@ import turtle
 pen=turtle.Pen()
 screen=turtle.Screen()
 screen.bgcolor('blue')
-
+len=50
 pen.write('Hi,诺依~\n用python写电字贺卡真是太有趣啦~\n我也喜欢python~')
 pen.hideturtle()
 pen.up()
@@ -12,9 +12,9 @@ pen.down()
 pen.pencolor('red')
 pen.pensize(10)
 pen.left(45)
-pen.forward(2*50)
+pen.forward(2*len)
 pen.circle(50,180)
 pen.right(90)
 pen.circle(50,180)
-pen.forward(100)
+pen.forward(2*len)
 turtle.done()
\ No newline at end of file