def ord_to_str(ord_list):
    """
    Convert list of character orders to string

    :param ord_list: list of character orders
    :type ord_list: int or list[int]
    :return: corresponding string
    :rtype: str
    """
    if isinstance(ord_list, int):
        ord_list = [ord_list]
    s = ''
    for o in ord_list:
        s += chr(o)
    return s