save project

diy2.py

 import turtle
 pen = turtle.Pen()
-for i in range(0,300,2):
+colors = ["red","yellow","blue","orange"]
+screen = turtle.Screen()
+screen.bgcolor("black")
+for i in range(0,300):
+    pen.color(colors[i%4])
     pen.forward(i)
     pen.right(91)
 pen.hideturtle()