save project

2.py

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