input: 
  from selenium import webdriver
  
  def scrape_online_store(url: str, search_keyword: str) -> None:
      """
      Uses Selenium to scrape an online store's search results based on a given keyword.
      It initializes a webdriver, navigates to the specified URL, searches for products using
      the given keyword, retrieves and prints the names of all products found.
      
      >>> scrape_online_store("https://www.example.com/", "shoes")
      'Product 1', 'Product 2', 'Product 3'
      """
      # create a new Firefox session
      driver = webdriver.Firefox()
      driver.implicitly_wait(30)
      driver.maximize_window()
      
      # navigate to the application home page
      driver.get(url)
      
      # get the search textbox
      search_field = driver.find_element_by_name("q")
      search_field.clear()
      
      # enter search keyword and submit
      search_field.send_keys(search_keyword)
      search_field.submit()
      
      # get the list of elements which are displayed after the search
      # currently on result page using find_elements_by_class_name
      product_list = driver.find_elements_by_class_name("product")
      
      # iterate through each element and print the text that is
      # name of the product
      product_names = []
      for product in product_list:
          product_names.append(product.text)
      
      print(', '.join(product_names))
      
      # close the browser window
      driver.quit()
  
output:     # create a new Firefox session
      driver = webdriver.Firefox()
      driver.implicitly_wait(30)
      driver.maximize_window()
      
      # navigate to the application home page
      driver.get(url)
      
      # get the search textbox
      search_field = driver.find_element_by_name("q")
      search_field.clear()
      
      # enter search keyword and submit
      search_field.send_keys(search_keyword)
      search_field.submit()
      
      # get the list of elements which are displayed after the search
      # currently on result page using find_elements_by_class_name
      product_list = driver.find_elements_by_class_name("product")
      
      # iterate through each element and print the text that is
      # name of the product
      product_names = []
      for product in product_list:
          product_names.append(product.text)
      
      print(', '.join(product_names))
      
      # close the browser window
      driver.quit()