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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:
 async def rcpt(self, recipient, options=None):
 """ Sends a SMTP 'RCPT' command. - Indicates a recipient for the e-mail. For further details, please check out `RFC 5321 § 4.1.1.3`_ and `§ 3.3`_. Args: recipient (str):
 E-mail address of one recipient. options (list of str or None, optional):
 Additional options to send along with the *RCPT* command. Raises: ConnectionResetError: If the connection with the server is unexpectedely lost. SMTPCommandFailedError: If the RCPT command fails. Returns: (int, str):
 A (code, message) 2-tuple containing the server response. .. _`RFC 5321 § 4.1.1.3`: https://tools.ietf.org/html/rfc5321#section-4.1.1.3 .. _`§ 3.3`: https://tools.ietf.org/html/rfc5321#section-3.3 """

        if options is None:
            options = []

        to_addr = "TO:{}".format(quoteaddr(recipient))
        code, message = await self.do_cmd("RCPT", to_addr, *options)

        return code, message