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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def render(self, text, add_header=False):
 """Render the HTML. Parameters add_header: boolean (default: False) If True, add HTML5 header and footer. Returns ------- str The rendered HTML. """


        html = mark_text(text, self.aesthetics, self.rules)
        html = html.replace('\n', '<br/>')
        if add_header:
            html = '\n'.join([HEADER, self.css, MIDDLE, html, FOOTER])
        #print('\n'.join((HEADER, self.css, MIDDLE, html, FOOTER)))
        return html