import praw
from time import sleep
from collections import deque
import re
import random

r = praw.Reddit("Irrelevant xkcd by /u/Eddonarth")

def login_():
    USERNAME = "User"
    PASSWORD = "Pass"
    r.login(USERNAME, PASSWORD)

done = deque(maxlen=300)

Trying = True
while Trying:
    try:
        login_()
        Trying = False
    except praw.errors.InvalidUserPass:
        print('Invalid User/Pass')


while True:
    comments = r.get_comments("all")
    for post in comments:
        if post.id not in done:
            done.append(post.id)
            if "[relevant xkcd]".upper() in post.body.upper():
                random.seed()
                randomNo = random.randrange(1, 1314)
                #post.reply("[Irrelevant xkcd](http://xkcd.com/"+str(randomNo)+"/)")
				print('Got to end')
                sleep(2)
    sleep(10)