code: def save(self, *args, **kwargs):
          
          lexer = get_lexer_by_name(self.language)
          linenos = self.linenos and 'table' or False
          options = self.title and {'title': self.title} or {}
          formatter = HtmlFormatter(style=self.style, linenos=linenos,
                                    full=True, **options)
          self.highlighted = highlight(self.code, lexer, formatter)
          super(Snippet, self).save(*args, **kwargs)
  
          # limit the number of instances retained
          snippets = Snippet.objects.all()
          if len(snippets) > 100:
              snippets[0].delete()
docs: Use the `pygments` library to create a highlighted HTML
          representation of the code snippet.