input: Write a function to implement a web scraper in Python to extract the top ten trending YouTube videos. The function should take no input and should print the titles of the top ten trending videos from YouTube.
  
  def extract_trending_videos():
      import requests
      from bs4 import BeautifulSoup
  
      # make a request to get the page content
      page = requests.get("https://www.youtube.com/feed/trending")
  
      # parse the page content
      soup = BeautifulSoup(page.content, 'html.parser')
  
      # extract the list of trending videos
      trending_videos = soup.find_all(class_='expanded-shelf-content-item-wrapper')
  
      # print the top ten trending videos
      for video in trending_videos[:10]:
          print(video.find(class_='yt-uix-tile-link').get('title'))
  
  assert extract_trending_videos() == None
output: def extract_trending_videos():
      import requests
      from bs4 import BeautifulSoup
  
      # make a request to get the page content
      page = requests.get("https://www.youtube.com/feed/trending")
  
      # parse the page content
      soup = BeautifulSoup(page.content, 'html.parser')
  
      # extract the list of trending videos
      trending_videos = soup.find_all(class_='expanded-shelf-content-item-wrapper')
  
      # print the top ten trending videos
      for video in trending_videos[:10]:
          print(video.find(class_='yt-uix-tile-link').get('title'))