auto save

diy4.py

+import turtle
+colors=["green","red","orange","yellow"]
+pen=turtle.Pen()
+screen=turtle.Screen()
+screen.bgcolor("white")
+for i in range(1,100000000000000000000000000000000000):
+    pen.pencolor((colors[i%4]))
+    pen.forward(i)
+    pen.right(800)
+pen.hideturtle()
+turtle.done()
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