save project

diy2.py

 import turtle
 import turtle
 
 
 pen=turtle.Pen()
 pen=turtle.Pen()
-distance=1
+screen=turtle.Screen()
+screen.bgcolor("black")
+colors=["green","red","orange","yellow"]
 for i in range(1,300):
 for i in range(1,300):
-    pen.forward(distance)
+    pen.pencolor(colors[1%4])
+    pen.forward(1)
     pen.right(91)
     pen.right(91)
     distance+=1
     distance+=1
 pen.hideturtle()
 pen.hideturtle()