save project

1.py

 import turtle
 turtle.speed(10)
-turtle.color("pink")
 
+colors=["pink","purple","blue","white"]
+screen=turtle.Screen()
+screen.bgcolor("black")
 for i in range(300):
     turtle.forward(i)
+    turtle.pencolor(colors[i%4])
     turtle.right(91)
-    i=i+1
+    
 turtle.hideturtle()
 turtle.done()
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