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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 link(self, text, as_html=True) -> str: """ Generate URL for using in text messages with HTML or MD parse mode :param text: link label :param as_html: generate as HTML :return: str """

        try:
            url = self.url
        except TypeError:  # URL is not accessible
            if as_html:
                return md.quote_html(text)
            return md.escape_md(text)

        if as_html:
            return md.hlink(text, url)
        return md.link(text, url)