save project

aa.py

@@ -2,10 +2,13 @@ import turtle
 
 
 
 
 pen=turtle.Pen()
 pen=turtle.Pen()
-distance = 1
-for i in range(300):
-    pen.forward(distance)
+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.right(91)
-    distance+=1
-pen.hideturtle()
+turtle.hideturtle()
+
 turtle.done()
 turtle.done()