save project

1.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))
+    pen.forward(i)
+    pen.right(91)
+turtle.hideturtle()
+turtle.done()
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