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question_answer #4192
openanswer_ana
Status:
New
Priority:
Normal
Assignee:
-
Start date:
01/26/2024
Due date:
% Done:
0%
Estimated time:
answer:
- '选项A: [last()] '
answer_analysis:
last()可以获取最后一个元素，下标里只能是正序，无法通过倒序-1获取
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