save project

pp.py

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