>>> a="a,b,c,d,e">>> a.split(",")[0:2]['a', 'b']>>> a.split(",")[0:-2]['a', 'b', 'c']>>> 相关文章： 2022-12-23 2022-12-23 2021-06-17 2021-10-19 2022-12-23 2022-12-23 2021-05-19 2021-11-09