save project

diy1.py

 import turtle
 p = turtle.Pen()
+q = turtle.Screen()
+q.bgcolor("black")
+p.hideturtle()
 p.speed(0)
 
+color = ["red","yellow","orange","green"]
+
 for i in range(300):
+    p.pencolor(color[i%4])
     p.forward(i)
     p.right(91)
-p.hideturtle()
 turtle.done()
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