save project

ddd.py

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