save project

diy1.py

@@ -20,7 +20,11 @@ import turtle
 # pen.hideturtle()
 # pen.hideturtle()
 # turtle.done()
 # turtle.done()
 pen=turtle.Pen()
 pen=turtle.Pen()
+screen=turtle.Screen
+screen.bgcolor("black")
+colors=["red","viotle","cyan","white"]
 for i in range(1,300):
 for i in range(1,300):
+    pen.pencolor(colors[i%4])
     pen.forward(i)
     pen.forward(i)
     pen.right(91)
     pen.right(91)
 pen.hideturtle()
 pen.hideturtle()