save project

diy1.py

 import turtle as t
 t.speed(0)
-d = 1
-for i in range(1000):
-    t.forward(d)
+colors = ["black","white","white","black"]
+t.bgcolor("pink")
+for i in range(1,1000):
+    t.pencolor(colors[i%4])
+    t.forward(i)
     t.right(91)
-    d+=1
 t.hideturtle()
 t.done()