save project

diy2.py

 import turtle
 import turtle
 pen=turtle.Pen()
 pen=turtle.Pen()
+colors=["blue","red","green","yellow"]
 distance=1
 distance=1
 for i in range(300):
 for i in range(300):
+    pen.pencolor(colors[i%4])
     pen.forward(distance)
     pen.forward(distance)
     pen.right(91)
     pen.right(91)
-    distance+=distance
+    distance=distance+5
 pen.hideturtle()
 pen.hideturtle()
 turtle.done()
 turtle.done()