save project

diy1.py

@@ -8,13 +8,14 @@ pen.goto(100,-100)
 pen.write("一诺,turtle真好用,\n我会在画布上写字!",font=("Times",25,"normal"))
 pen.hideturtle()
 pen1=turtle.Pen()
-pen1.left(-45)
+len=60
+pen1.left(0)
 pen1.pensize(10)
 pen1.pencolor("red")
-pen1.left(90)
-pen1.forward(100)
-pen1.circle(50,180)
+pen1.left(45)
+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)
 turtle.done()
\ No newline at end of file