Intersection of steam games

steam_intersect.py

# usage: python .\steam_intersect.py APIKEY 76561198040368682 76561197972726018 76561198082711041

import urllib.request, json
from sys import argv

argv.pop(0)
apikey = argv.pop(0)

# "76561198040368682"    me
# "76561197972726018"    ed
# "76561198082711041"    dyl

intersect = {}

for steamid in argv: #steamids:
    urlGetGames = "http://api.steampowered.com/IPlayerService/GetOwnedGames/v0001/?key="+apikey+"&steamid="+steamid+"&format=json&include_appinfo=1"   # &input_json={\"steamid\":"+steamid+"}
    with urllib.request.urlopen(urlGetGames) as url:
        data = json.loads(url.read().decode())
        #print(data)
        if (data["response"]):
            for g in data["response"]["games"]:
                if (g["name"] in intersect):
                    intersect[g["name"]]+=1
                else:
                    intersect[g["name"]]=1
            print(str(len(data["response"]["games"]))+ " games found for: "+steamid)
        else:
            print("ERROR: Could not get game list for: "+steamid)

for g in intersect:
    if intersect[g]==len(argv):
        print (g)