from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support.expected_conditions import presence_of_element_located




with webdriver.Firefox() as driver:
    wait = WebDriverWait(driver, 30)
    driver.get("https://admin.dc3.arubacloud.pl/Login.aspx")
    driver.find_element_by_id("MainContent_txtAccount").send_keys("username" + Keys.TAB)
    driver.find_element_by_id("MainContent_txtPassword").send_keys("password" + Keys.RETURN)


    first_result = wait.until(presence_of_element_located((By.ID, "lblTopCredit")))
    print(first_result.get_attribute('co_powinienem_tutaj_wpisać'))