save project

diy1.py

@@ -5,8 +5,11 @@
 import turtle
 import turtle
 
 
 pen = turtle.Pen()
 pen = turtle.Pen()
+screen = turtle.Screen("black")
+colors = ["red","yellow","green","blue"]
 for i in range(1,300)
 for i in range(1,300)
     pen.forward(i)
     pen.forward(i)
+    pen.pencolor(colors[i%4])
     pen.right(91)
     pen.right(91)
 pen.hideturtle()
 pen.hideturtle()
 turtle.done()
 turtle.done()
\ No newline at end of file