input: Write a python function to save the HTML content of given URLs into respective files.
  assert save_html_content(["https://www.google.com", "https://www.youtube.com", "https://www.yahoo.com"])==["google.com.html", "youtube.com.html", "yahoo.com.html"]
  assert save_html_content(["https://www.example.com", "https://www.github.com"])==["example.com.html", "github.com.html"]
  assert save_html_content(["https://www.python.org"])==["python.org.html"]
output: def save_html_content(urls):
      import requests
      from urllib.parse import urlparse
  
      filenames = []
      for url in urls:
          response = requests.get(url)
          domain = urlparse(url).netloc
          filename = f"{domain}.html"
          with open(filename, 'w', encoding='utf-8') as file:
              file.write(response.text)
          filenames.append(filename)
      return filenames