input: Write a function that scrapes product names from an online store using Python’s Selenium library and returns a list of these names. If no products are found, return an empty list. If the website cannot be accessed, return the string "Website access failed".
  assert scrape_products("https://www.example.com/")==["shoes A", "shoes B", "shoes C"]
  assert scrape_products("https://www.nonexistentwebsite.com/")=="Website access failed"
  assert scrape_products("https://www.example.com/noshoes")==[]
output: def scrape_products(url):
      from selenium import webdriver
      from selenium.common.exceptions import WebDriverException
      try:
          driver = webdriver.Chrome()
          driver.get(url)
          products = driver.find_elements_by_class_name("product-name")
          product_names = [product.text for product in products]
          driver.quit()
          return product_names
      except WebDriverException:
          return "Website access failed"