def concat(lists):
    """类似于pd.concat 用于合并一个list里面的多个DataStruct,会自动去重



    Arguments:
        lists {[type]} -- [DataStruct1,DataStruct2,....,DataStructN]

    Returns:
        [type] -- new DataStruct
    """

    return lists[0].new(
        pd.concat([lists.data for lists in lists]).drop_duplicates()
    )