input: Write a function to implement a web scraper in Python to extract and print the titles of the top ten trending YouTube videos. The function should make a request to YouTube's trending page, parse the content using BeautifulSoup, and then extract the relevant information. The function should return None.
  
  assert get_trending_videos() is None
output: def get_trending_videos():
      import requests
      from bs4 import BeautifulSoup
  
      url = "https://www.youtube.com/feed/trending"
      response = requests.get(url)
      soup = BeautifulSoup(response.text, 'html.parser')
      
      titles = soup.find_all('a', {'class': 'yt-simple-endpoint style-scope ytd-video-renderer'})
      for i in range(10):
          print(titles[i].text)
      
      return None