摘要: from collections import defaultdict input_file = 'input.txt' output_file = 'output.txt' # 第一步:按前3列分组,合并第4列 grouped_3 = defaultdict(list) with open(inp 阅读全文
posted @ 2025-07-16 12:10 18cm的烦恼 阅读(10) 评论(0) 推荐(0)