#Space Invaders - Part 1
#Set up the screen
#Python 2.7 on Mac
import turtle
import os

#Set up the screen
wn = turtle.Screen()
wn.bgcolor("black")
wn.title("Space Invaders")

#Draw border
border_pen = turtle.Turtle()
border_pen.speed(0)
border_pen.color("white")
border_pen.penup()
border_pen.setposition(-300,-300)
border_pen.pendown()
border_pen.pensize(3)
for side in range(4):
	border_pen.fd(600)
	border_pen.lt(90)
border_pen.hideturtle()	

#Create the player turtle
player = turtle.Turtle()
player.color("blue")
player.shape("triangle")
player.penup()
player.speed(0)
player.setposition(0, -250)
player.setheading(90)











delay = raw_input("Press enter to finsh.")