摘要: l1 = [1,2,'fsafdawsfdsjlkj',[1,'saf',3,]]# print(l1[2])# print(l1[2].upper())l1[2] = l1[2].upper()print(l1) 阅读全文
posted @ 2022-08-24 18:24 safetly 阅读(32) 评论(0) 推荐(0)