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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 get(key, value=None, conf_file=_DEFAULT_CONF):
    '''
    Get the value for a specific configuration line.

    :param str key: The command or stanza block to configure.
    :param str value: The command value or command of the block specified by the key parameter.
    :param str conf_file: The logrotate configuration file.

    :return: The value for a specific configuration line.
    :rtype: bool|int|str

    CLI Example:

    .. code-block:: bash

        salt '*' logrotate.get rotate

        salt '*' logrotate.get /var/log/wtmp rotate /etc/logrotate.conf
    '''
    current_conf = _parse_conf(conf_file)
    stanza = current_conf.get(key, False)

    if value:
        if stanza:
            return stanza.get(value, False)
        _LOG.warning("Block '%s' not present or empty.", key)
    return stanza