save project

diy1.py

@@ -5,11 +5,12 @@
 import turtle
 
 pen = turtle.Pen()
-pen.color("red")
-i=1
-for i in range(600):
+screen=turtle.Screen()
+screen.bgcolor("black")
+colors=["green","red","orange","yellow"]
+for i in range(1,601):
+    pen.pencolor(colors[i%4])
     pen.forward(i)
     pen.right(91)
-    distance=i+2
-pen.hideturtle()
-turtle.done()
\ No newline at end of file
+turrle.hideturtle()
+turtle.done()