save project

diy1.py

 import turtle
 import turtle
+screen=turtle.Screen()
+screen.bgcolor("black")
 pen=turtle.Pen()
 pen=turtle.Pen()
+b=["green","red","orange","yellow"]
 for a in range(1,300):
 for a in range(1,300):
+    pen.pencolor(b[a%4])
     pen.forward(a)
     pen.forward(a)
     pen.right(91)
     pen.right(91)
 pen.hideturtle()
 pen.hideturtle()
@@ -769,4 +773,3 @@ turtle.done()
 
 
 
 
 
 
-