def merge_mappings(base_value, iter_values):
    """
    Merge mappings from an iterable

    :param base_value: base value to merge into
    :type base_value: dict
    :param iter_values: values to merge
    :type iter_values: iterable[dict]
    :return: merged mapping
    :rtype: dict
    """
    for element in iter_values:
        base_value.update(element)
    return base_value