async def log_in(websocket, challstr):
    logfile = open("id.txt")
    username = logfile.readline()[:-1]
    password = logfile.readline()[:-1]
    logfile.close()
    datastr = "act=login&name=" + username + "&pass=" + password + "&challstr=" + challstr
    resp = requests.post("http://play.pokemonshowdown.com/action.php", data=datastr)

async def stringing(websocket, string_tab): # string_tab : socket message splited on '|'
    if string_tab[1] == "challstr":
        await log_in(websocket, string_tab[3])