input: Write a python function to extract and print user names and comments from a TripAdvisor hotel review page.
  assert len(extract_reviews("https://www.tripadvisor.com/Hotel_Review-g469893-d13034369-Reviews-The_Fountainhead_Hotel-San_Fernando_Trinidad_Tobago.html")) > 0
  assert isinstance(extract_reviews("https://www.tripadvisor.com/Hotel_Review-g469893-d13034369-Reviews-The_Fountainhead_Hotel-San_Fernando_Trinidad_Tobago.html")[0], tuple)
output: import requests
  from bs4 import BeautifulSoup
  
  def extract_reviews(url):
      response = requests.get(url)
      soup = BeautifulSoup(response.content, 'html.parser')
  
      reviews = []
      review_blocks = soup.find_all('div', class_='review-container')
  
      for review in review_blocks:
          try:
              user_name = review.find('div', class_='info_text').find('div').text.strip()
              comment = review.find('q', class_='IRsGHoPm').text.strip()
              reviews.append((user_name, comment))
          except AttributeError:
              continue
  
      return reviews