save project

diy1.py

@@ -2,10 +2,13 @@
 import turtle
 import turtle
 
 
 pen = turtle.Pen()
 pen = turtle.Pen()
+screen=turtle.Screen()
+screen.bgcolor("black")
+colors=["green","red","orange","yellow"]
 distance=1
 distance=1
-for i in range(300):
-    pen.forward(distance)
-    distance+=1
+for i in range(1,600):
+    pen.pencolor(colors[i%4])
+    pen.forward(i) 
     pen.right(91)
     pen.right(91)
 pen.hideturtle()
 pen.hideturtle()
 turtle.done()
 turtle.done()
\ No newline at end of file