untitled.py

import json
import urllib2
from random import randint
req = urllib2.Request("http://www.reddit.com/comments/1oa44z.json",None, {'User-Agent': "wub_wub's script",})
json_response=json.loads(urllib2.urlopen(req).read())
all_comments=json_response[1]["data"]["children"]
valid_comments={}
winners=0
given_games=[]
for comment in all_comments:
    try:
        number,g1,g2,g3=[line for line in comment["data"]["body"].replace("\n\n","\n").replace("*","").split("\n") if line.strip()!=""][:4]
        valid_comments[number]={"author":comment["data"]["author"],"game1":g1.strip(),"game2":g2.strip(),"game3":g3.strip()}
    except:
        print "{} disqualified, invalid comment content".format(comment["data"]["author"])

while winners<20:
    winner_number=randint(0,100)
    winner_comment=valid_comments.get(str(winner_number),False)
    if winner_comment:
        for g in ["game1","game2","game3"]:
            if winner_comment[g] not in given_games:
                winners+=1;given_games.append(winner_comment[g])
                valid_comments[winner_number]=None
                print "{} - won {}".format(winner_comment["author"],winner_comment[g].encode('utf-8'))
                break
            else:
                print "{} - {} already given".format(winner_comment["author"],winner_comment[g].encode('utf-8'))