save project

auv.py

 import turtle
 pen = turtle.Pen()
-pen.speed(2000000000000000)
+screen = turtle.Screen()
+screen.bgcolor("black")
+colors=["white","blue","green","cyan"]
+pen.speed(2000)
 for i in range(3000):
+    pen.pencolor(colors[i%4])
     pen.forward(i)
     pen.right(91)
 pen.hideturtle()