input: Write a python function to create instances of the Website class and retrieve their details.
  assert create_website_instance("http://example.com", "John Doe", "2023", "English").get_url() == "http://example.com"
  assert create_website_instance("http://example.com", "John Doe", "2023", "English").get_author() == "John Doe"
  assert create_website_instance("http://example.com", "John Doe", "2023", "English").get_copyright() == "2023"
  assert create_website_instance("http://example.com", "John Doe", "2023", "English").get_language() == "English"
output: class Website:
      def __init__(self, url, author, copyright, language):
          self.url = url
          self.author = author
          self.copyright = copyright
          self.language = language
  
      def get_url(self):
          return self.url
  
      def get_author(self):
          return self.author
  
      def get_copyright(self):
          return self.copyright
  
      def get_language(self):
          return self.language
  
  def create_website_instance(url, author, copyright, language):
      return Website(url, author, copyright, language)