- When handling user-submitted form data, it is necessary to remove duplicate data to prevent the form from being resubmitted.
- When calculating certain data, it is necessary to deduplicate the data to ensure the accuracy of the results.
- When processing data retrieved from the database, it is necessary to deduplicate the query results to avoid returning duplicate data.
- When operating on certain sets, duplicate data may occur, requiring deduplication processing.
- When dealing with log data, it is necessary to remove duplicate log information to ensure the accuracy and integrity of the log data.
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