import time
import math
import pytest
import selenium
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium import webdriver

@pytest.fixture(scope="function")
def browser():
    print("\nstart browser for test..")
    browser = webdriver.Chrome()
    yield browser
    print("\nquit browser..")
    browser.quit()

@pytest.mark.parametrize('number', ["895", "896", "897", "898", "899", "903", "904", "905"])
def solve(browser, number):
    link = f"https://stepik.org/lesson/23689{number}/step/1"
    browser.get(link)
    field = WebDriverWait(browser, 5).until(
        EC.element_to_be_present((By.CSS_SELECTOR, ".show-plugin .textarea"))
    )
    field.send_keys(str(math.log(int(time.time()))))

    button = browser.find_element_by_css_selector(".submit-submission")