Space invaders

#Space Invadors
#Setupthescreen
#Python 3.8 on windows
import turtle
import os

#set up the screen
Mainscreen = turtle.Screen()
Mainscreen.bgcolor("black")
Mainscreen.title("Space Invadors")

#Draw border
border_pen = turtle.Turtle()
border_pen.speed(0)
border_pen.color("blue")
border_pen.penup()





delay = input("press enter to finish.")