save project

sb.py

 import turtle as t
+import random
 color=["red","blue","green","pink"]
 t.speed(0)
 t.bgcolor("black")
@@ -6,5 +7,5 @@ t.bgcolor("black")
 for i in range(300):
     t.forward(i)
     t.right(91)
-    t.pencolor(color[i%4])
+    t.pencolor(random.choice(color))
 t.done()
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