save project

wq.py

 import turtle
 pen=turtle.Pen()
 screen=turtle.Screen()
+screen.bgcolor("black")
+colors=["red","yellow","green","blue"]  
 for i in range(1,300):        
+    pen.pencolor(colors[i%4])
     pen.fd(i)
     pen.right(91)   
 pen.hideturtle()