input: from typing import List
  
  def top_trending_videos() -> List[str]:
      """
      Implement a web scraper in Python to extract the top ten trending YouTube videos.
      
      >>> top_trending_videos()
      ["Video Title 1", "Video Title 2", "Video Title 3", "Video Title 4", "Video Title 5", "Video Title 6", "Video Title 7", "Video Title 8", "Video Title 9", "Video Title 10"]
      """
      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')
  
      # return the top ten trending videos
      return [video.find(class_='yt-uix-tile-link').get('title') for video in trending_videos[:10]]
output:     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')
  
      # return the top ten trending videos
      return [video.find(class_='yt-uix-tile-link').get('title') for video in trending_videos[:10]]