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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 mediatype_create(name, mediatype, **kwargs):
    '''
    Create new mediatype

    .. note::
        This function accepts all standard mediatype properties: keyword
        argument names differ depending on your zabbix version, see here__.

        .. __: https://www.zabbix.com/documentation/3.0/manual/api/reference/mediatype/object

    :param mediatype: media type - 0: email, 1: script, 2: sms, 3: Jabber, 100: Ez Texting
    :param exec_path: exec path - Required for script and Ez Texting types, see Zabbix API docs
    :param gsm_modem: exec path - Required for sms type, see Zabbix API docs
    :param smtp_email: email address from which notifications will be sent, required for email type
    :param smtp_helo: SMTP HELO, required for email type
    :param smtp_server: SMTP server, required for email type
    :param status: whether the media type is enabled - 0: enabled, 1: disabled
    :param username: authentication user, required for Jabber and Ez Texting types
    :param passwd: authentication password, required for Jabber and Ez Texting types
    :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: ID of the created mediatype.

    CLI Example:

    .. code-block:: bash

        salt '*' zabbix.mediatype_create 'Email' 0 smtp_email='noreply@example.com'
        smtp_server='mailserver.example.com' smtp_helo='zabbix.example.com'
    '''
    conn_args = _login(**kwargs)
    ret = {}
    try:
        if conn_args:
            method = 'mediatype.create'
            params = {"description": name}
            params['type'] = mediatype
            params = _params_extend(params, _ignore_name=True, **kwargs)
            ret = _query(method, params, conn_args['url'], conn_args['auth'])
            return ret['result']['mediatypeid']
        else:
            raise KeyError
    except KeyError:
        return ret