save project

diy1.py

@@ -7,12 +7,12 @@ len=int(len)
 pen=turtle.Pen()
 pen.write("你好\n诺依!\n我已经学会用\nturtle编程软件.",font=("Times",30,"normal"))
 pen.hideturtle()
-len=60
+len=10
 pen.penup()
 pen.goto(100,100)
 pen.pendown()
 pen.pensize(5)
-pen.pencolor("")
+pen.pencolor("blue")
 pen.left(45)
 pen.forward(2*len)
 pen.circle(len,180)