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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 user_deletemedia(mediaids, **kwargs):
    '''
    Delete media by id.

    .. versionadded:: 2016.3.0

    :param mediaids: IDs of the media to delete
    :param _connection_user: Optional - zabbix user (can also be set in opts or pillar, see module's docstring)
    :param _connection_password: Optional - zabbix password (can also be set in opts or pillar, see module's docstring)
    :param _connection_url: Optional - url of zabbix frontend (can also be set in opts, pillar, see module's docstring)

    :return: IDs of the deleted media, False on failure.

    CLI Example:
    .. code-block:: bash

        salt '*' zabbix.user_deletemedia 27
    '''
    conn_args = _login(**kwargs)
    ret = {}
    try:
        if conn_args:
            method = 'user.deletemedia'

            if not isinstance(mediaids, list):
                mediaids = [mediaids]
            params = mediaids
            ret = _query(method, params, conn_args['url'], conn_args['auth'])
            return ret['result']['mediaids']
        else:
            raise KeyError
    except KeyError:
        return ret