save project

qsd.py

 import turtle
 import turtle
+screen=turtle.Screen()
+screen.bgcolor("black")
 pen = turtle.Pen()
 pen = turtle.Pen()
+color=["red","yellow","purple","black"]
 for i in range(1,300,3):
 for i in range(1,300,3):
+    pen.pencolor(color[i%4])
     pen.forward(i)
     pen.forward(i)
     pen.right(91)
     pen.right(91)
 pen.hideturtle()
 pen.hideturtle()