Python字典合并多个字典的之合并为列表示例

╰+哭是因爲堅強的太久メ 2023-07-11 12:58 2阅读 0赞

# -*- coding: utf-8 -*-
    """ 字典合并 场景说明 输入： 多个 \t分割的文本文件 每个文本文件的两列数据分别代表 x轴数值 y轴数值 多个文件的x轴的数值不连续 输出： 合并的 \t分割的文本文件 """
    
    
    def text_file_write(file_name: str, content_list: list, mode='w+', is_flush=False) -> None:
        """ :param file_name: :param content_list: :param mode: :param is_flush: :return: :return: """
        with open(file_name, mode, encoding='utf-8') as f:
            f.write('\n'.join(content_list))
            if is_flush:
                f.flush()
    
    
    def text_file_read(file_name: str, mode='r') -> list:
        """ :param file_name: :param mode: :return: """
        with open(file_name, mode, encoding='utf-8') as f:
            return [l.strip() for l in f.readlines()]
    
    
    def main(out_file: str, test_list: list) -> None:
        """ :param out_file: :param test_list: [ [['1', '2'], ['22', '2'], ['23', '4'], ['5', '5']], ... ] :return: """
        update_key = []
        for tl in test_list:
            update_key += list(zip(*tl))[0]
        update_key = list(set(update_key))
        print(update_key)
        #
        update_dict = dict()
        for tl in test_list:
            test_dict = dict(tl)
            for i in update_key:
                update_dict.setdefault(i, []).append(test_dict.get(i, '0'))
    
        print(list(update_dict.items()))
        update_list = sorted(update_dict.items(), key=lambda x: int(x[0]))
    
        # 下行代码 当键len >=2 时，会被拆分
        # update_list = ['\t'.join([i for it in item for i in it]) for item in update_list]
        update_list_rst = []
        for item in update_list:
            temp = []
            for it in item:
                if isinstance(it, str):
                    temp.append(it)
                else:
                    temp += [i for i in it]
            update_list_rst.append('\t'.join(temp))
        text_file_write(out_file, update_list_rst)
    
    
    if __name__ == '__main__':
        # 数据存入文本
        test1 = [[1, 2], [22, 2], [23, 4], [5, 5]]
        test2 = [[1, 2], [22, 2], [32, 4], [104, 1], [25, 5]]
        test3 = [[22, 2], [23, 4], [24, 1], [25, 5], [26, 2]]
    
        for index, test_demo in enumerate([test1, test2, test3]):
            tmp = ['\t'.join([str(j) for j in item]) for item in test_demo]
            text_file_write('test%s' % (index + 1), tmp)
    
        # 文本读取数据
        test1 = text_file_read('test1')
        test2 = text_file_read('test2')
        test3 = text_file_read('test3')
        test1 = [i.split('\t') for i in test1]
        test2 = [i.split('\t') for i in test2]
        test3 = [i.split('\t') for i in test3]
        print(test1)
        main('out', [test1, test2, test3])

**输出**

[['1', '2'], ['22', '2'], ['23', '4'], ['5', '5']]
    ['104', '23', '26', '5', '32', '24', '25', '1', '22']
    [('104', ['0', '1', '0']), ('23', ['4', '0', '4']), ('26', ['0', '0', '2']), ('5', ['5', '0', '0']), ('32', ['0', '4', '0']), ('24', ['0', '0', '1']), ('25', ['0', '5', '5']), ('1', ['2', '2', '0']), ('22', ['2', '2', '2'])]