Please tell me what is the error of my code, I can’t log in to VK through it, I don’t press the login button?

Question

selenium

from selenium import webdriver
browser=webdriver.Firefox()
browser.get('https://vk.com')
a=browser.find_element_by_id('index_email')
a.send_keys('email')
c=browser.find_element_by_css_selector('#index_pass')
c.send_keys('password')
element = driver.find_element_by_css_selector("index_login_button")
element.click()
element.sendKeys(Keys.ENTER)

Answer 1

login = browser_vk.find_element_by_id('quick_email')
    login.send_keys('xxx')
    password = browser_vk.find_element_by_id('quick_pass')
    password.send_keys('xxx')
    submit = browser_vk.find_element_by_id('quick_login_button')
    submit.click()
    browser_vk.implicitly_wait(10)

a piece of my VK login code