auto save

diy1.py

 import turtle
 pen=turtle.Pen()
-screen=turtle.Screen()
-screen.bgcolor("black")
-colors=["green","red","orange","yellow"]
-for i in range(1,300):
-    pen.pencolor(colors[i%4])
+for i in range(1,999999):
     pen.forward(i)
     pen.right(91)
 pen.hideturtle()