save project

1.py

 import turtle
 import turtle
 pen=turtle.Pen()
 pen=turtle.Pen()
 screen=turtle.Screen()
 screen=turtle.Screen()
-screen.bgcolor()
+screen.bgcolor('black')
 colors=['red','yellow','green','orange']
 colors=['red','yellow','green','orange']
 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)
 turtle.done()
 turtle.done()