connection = pymongo.MongoClient("mongodb://xxx:xxx@xxxx.mlab.com:xxx/xxx")
        ddb = connection['aurora']
        coll = db['users']
        user = ''.join(args)
        user_no_aront = re.sub('[^A-Za-z0-9]+', '', user)
             curs = coll.find({"user_name":user_no_aront}, {"user_id":True, "_id":False})
                for item in curs:
                    get_user = item.get("user_id", None)
                    print("get_user")