save project

diy1.py

 import turtle
 pen = turtle.Pen()
-for i in range(1,100000):
+r=turtle.Screen()
+r.bgcolor("black")
+s=["red","yellow","blue","green"]
+for i in range(1,1000):
+    pen.pencolor(s[i%4])
     pen.forward(i)
     pen.right(91)
 pen.hideturtle()