---
title: "Discussion on \"Decorators & Context Managers: The @ and with You Keep Seeing\" | Hashnode"
description: "Discussion on \"Decorators & Context Managers: The @ and with You Keep Seeing\". Understand the @ and with you keep seeing in FastAPI and PyTorch code: how decorators wrap functions, how context managers clean up, and how to build both yourself."
url: "https://hashnode.com/posts/decorators-context-managers-the-and-with-you-keep-seeing-c925u/6ad85fd2cf8af28a4767783c"
---

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# [Decorators & Context Managers: The @ and with You Keep Seeing](https://blog.zyvop.com/decorators-context-managers-the-and-with-you-keep-seeing-c925u?utm_source=hashnode&utm_medium=feed)

Understand the @ and with you keep seeing in FastAPI and PyTorch code: how decorators wrap functions, how context managers clean up, and how to build both yourself.

Oct 21 · 10 min read · blog.zyvop.com  
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-   [#aiengineer](https://hashnode.com/tag/aiengineer)
-   [#contextmanagers](https://hashnode.com/tag/contextmanagers)
-   [#decorators](https://hashnode.com/tag/decorators)
-   [#programming](https://hashnode.com/tag/programming)
-   [#python](https://hashnode.com/tag/python)

## Written by

[ZyVOP](https://hashnode.com/@zyvop)

@zyvop · Delhi, India

  
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