save project

xxx.py

 import turtle
 import turtle
 pen=turtle.Pen()
 pen=turtle.Pen()
-distance=1
+colors=["red","orange","yellow","green"]
+screen=turtle.Screen()
+screen.bgcolor("black")
 for i in range(1,300):
 for i in range(1,300):
+    pen.pencolor(colors[i%4])
     pen.forward(i)
     pen.forward(i)
     pen.left(91)
     pen.left(91)
-turtle.done
-hideturtle()
+turtle.done()
+turtle.hideturtle()
\ No newline at end of file