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Using sorted() in Reverse
While you could achieve the same result by sorting normally and then reversing, using the reverse parameter is both cleaner and more efficient. Python handles the reversal during the sort rather than as a separate pass through the data. Basic Reverse Sorting Getting the top N items from a collection is a common operation. Sorting in descending order and slicing the first N elements is simple and readable. For very large collections where you only need a few top items, consider heapq.nlargest() for better performance. This pattern appears constantly in data analysis. Finding the top 10 customers by revenue, the bottom 5 products by sales, or the most recent 100 transactions all use descending sorts with slicing. The combination of reverse=True and list slicing is a fundamental tool in your