save project

diy1.py

 import turtle
 pen = turtle.Pen()
 pen.speed(0)
+qwertyuiop=['red','yellow','blue','green']
 for i in range(1,3001):
-    pen.pencolor('green')
+    pen.pencolor(qwertyuiop[i%4])
     pen.forward(i)
     pen.right(91)
 pen.hideturtle()