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This technical paper provides an in-depth analysis of various approaches to return multiple values from methods in C#. Focusing on C# 7 tuple syntax as the primary solution, the article systematically compares tuples, out/ref parameters, structs/classes, and other techniques. Through comprehensive code examples and performance evaluations, developers can make informed decisions when choosing appropriate implementation strategies for different scenarios.

This article provides a detailed exploration of using pandas' sort_values method for DataFrame sorting, covering single-column sorting, multi-column sorting, ascending/descending order control, missing value handling, and algorithm selection. Through practical code examples and in-depth analysis, readers will master various data sorting scenarios and best practices.