* Each line consists of two fields, separated by a pipe '|', where
* the first field is a comma-separated list of items, and
* the second field is a tag.
这是我的输入:
100,210,354,462|acct
331,746,50|mis
90,263,47,14|sales
和所需的输出:
100acct
210acct
354acct
462acct
331mis
746mis
50mis
90sales
263sales
47sales
14sales