save project

diy1.py

+import turtle
+screen=turtle.Screen()
+turtle.bgcolor("black")
+color=["red","yellow","blue","purple"]
+turtle.speed(0)
+for w in range(1,301):
+    turtle.pencolor(color[w%4])
+    turtle.forward(w)
+    turtle.right(91)
+turtle.done()
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