import requests
from selenium import webdriver
from selenium.webdriver.support.ui import Select
session = requests.Session()
driver = webdriver.Chrome()
driver.get('https://mypage.ru/index.php')
select = Select(driver.find_element_by_xpath("""//select[@name='MySelectName']"""))
select.select_by_value('16')
btn = driver.find_element_by_id('submitBtn')
btn.click()
