save project

diy1.py

 import turtle
 p=turtle.Pen()
 p.hideturtle()
-for i in range(0,300,2):
+screen=turtle.screen()
+screen.bgcolor("black")
+color=['green','red','blue','purple']
+for i in range(300):
+    p.pencolor(color[i%4])
     p.forward(i)
     p.left(91)
 turtle.done()