---
title: "Discussion on \"Understanding Garbage Collection and Object References\" | Hashnode"
description: "Discussion on \"Understanding Garbage Collection and Object References\". When you assign a new value to an old variable in Python, the old value still exists in memory, but is no longer referenced by any variable.\nLet's say you're working on a Python program where you need to assign a string value to a variable. For examp..."
url: "https://hashnode.com/posts/understanding-garbage-collection-and-object-references/6435d176595b932a216c4bc9"
---

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# [Understanding Garbage Collection and Object References](https://imtiazpy.hashnode.dev/understanding-garbage-collection-and-object-references?utm_source=hashnode&utm_medium=feed)

When you assign a new value to an old variable in Python, the old value still exists in memory, but is no longer referenced by any variable. Let's say you're working on a Python program where you need to assign a string value to a variable. For examp...

Apr 11, 2023 · 4 min read · imtiazpy.hashnode.dev  
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-   [#python](https://hashnode.com/tag/python)
-   [#memory-management](https://hashnode.com/tag/memory-management)
-   [#garbagecollection](https://hashnode.com/tag/garbagecollection)

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[Imtiaz Ahmed](https://hashnode.com/@imtiazpy)

@imtiazpy · Dhaka, Bangladesh

  
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