auto save

diy1.py

 import turtle
 
 pen=turtle.Pen()
-screen=turtle.Screen()
-screen.bgcolor("black")
-colors=["blue","red","green","yellow"]
 pen.speed(0)
 for i in range(1000000000):
-    pen.pencolor(colors[i%4])
     pen.forward(i)
     pen.right(91)
-turtle.hideturtle()
+
 turtle.done()
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