This article talks about how we can work with HashSets in C#. To work with the code examples provided in this article, you should have Visual Studio 2019 installed in your system.

If you want to setup and use Deepseek-R1 in Visual Studio Code, follow the steps mentioned in this tutorial.

The C# extension provides language services, while the C# Dev Kit extension builds on the Visual Studio foundation for solution management, templates and debugging testing.