auto save

a.py

@@ -4,6 +4,7 @@ screen=turtle.Screen()
 screen.bgcolor("black")
 screen.bgcolor("black")
 colors=["green","red","orange","yellow"]
 colors=["green","red","orange","yellow"]
 for i in range(1,300):
 for i in range(1,300):
+    pen.pencolor(colors[i%4])
     pen.forward(i)
     pen.forward(i)
     pen.right(91)
     pen.right(91)
 pen.hideturtle()
 pen.hideturtle()