auto save

diy1.py

@@ -21,10 +21,8 @@ turtle.done()
 """
 import turtle
 pen=turtle.Pen()
-b=1
 for i in range(300):
-    pen.forward(b)
-    b+=1
+    pen.forward(i)
     pen.right(91)
 pen.hideturtle()
 turtle.done()