weixin_44810016的博客

直接上代码with open('train.tsv','w',newline='') as tsv_file: writer=csv.writer(tsv_file,delimiter='\t') for row in data: writer.writerow(row)其中，train.tsv是待创建的文件名或项目文件夹中已有的文件名...

直接上代码：in:from itertools import chaina = [[1,2,3], [5,9], [98, 11, 37,84,93,110]]a_new = list(chain.from_iterable(a))print(a_new)out:[1, 2, 3, 5, 9, 98, 11, 37, 84, 93, 110]