auto save

diy1.py

-import turtle
-screen=turtle.Screen()
-screen.bgcolor("black")
-pen=turtle.Pen()
-colors=["red","yellow","green","blue"]
-pen.pencolor(colors[1%4])
-pen.speed(100)
-for i in range(1,100):
-    pen.forward(i)
-    pen.right(91)
-pen.hideturtle()
-turtle.done()
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