auto save

diy1.py

@@ -4,8 +4,8 @@ screen.bgcolor("black")
 colors=["red","green","orange","yellow"]
 pen=turtle.Pen()
 for i in range(1,300):
-    pen.color(colors[i%4])
-    pen.forward(a)
+    pen.pencolor(colors[i%4])
+    pen.forward(i)
     pen.right(91)
 
 pen.hideturtle()