input: Write a python function to get the latest blog post title from a given URL using BeautifulSoup and requests.
  assert get_latest_blog_post_title('https://example.com/blog') == 'Expected Title 1'
  assert get_latest_blog_post_title('https://anotherexample.com/blog') == 'Expected Title 2'
  assert get_latest_blog_post_title('https://yetanotherexample.com/blog') == 'Expected Title 3'
output: def get_latest_blog_post_title(url):
      import requests
      from bs4 import BeautifulSoup
  
      response = requests.get(url)
      soup = BeautifulSoup(response.content, 'html.parser')
  
      # This part will vary depending on the website structure. 
      # Assuming blog titles are in <h2> tags with class 'post-title'
      latest_post = soup.find('h2', class_='post-title')
      if latest_post:
          return latest_post.get_text(strip=True)
      return None