code: def escape(text, quote=False, smart_amp=True):
      
      if smart_amp:
          text = _escape_pattern.sub('&amp;', text)
      else:
          text = text.replace('&', '&amp;')
      text = text.replace('<', '&lt;')
      text = text.replace('>', '&gt;')
      if quote:
          text = text.replace('"', '&quot;')
          text = text.replace("'", '&#39;')
      return text
docs: Replace special characters "&", "<" and ">" to HTML-safe sequences.
  
      The original cgi.escape will always escape "&", but you can control
      this one for a smart escape amp.
  
      :param quote: if set to True, " and ' will be escaped.
      :param smart_amp: if set to False, & will always be escaped.