save project

diy2.py

 import turtle
 import turtle
 pen=turtle.Pen()
 pen=turtle.Pen()
-pen.speed(1000)
-for i in range(1,2000):
+screen=turtle.Screen()
+screen.bgcolor("black")
+colors=["red","orange","yellow","green"]
+pen.speed(100)
+for i in range(1,300):
+    pen.pencolor=colors[i%4]
     pen.right(91)
     pen.right(91)
     pen.forward(i)
     pen.forward(i)
 pen.hideturtle()
 pen.hideturtle()