save project

diy1.py

 import  turtle
 pen=turtle.Pen()
 b=turtle.Screen()
-b.bgcolor("sky red")
+b.bgcolor("black")
 pen.speed(1000000000000000000000000)
-corors=["red","orang","yellow","green"]
+c=["red","orang","yellow","green"]
 for  i  in  range(10000):
     pen.forward(i)
-    
+    pen.color(c[i%4])
     pen.right(91)
 pen.hideturtle()
 turtle.done()