---
title: "Discussion on \"Python Assignment vs Shallow Copy vs Deep Copy (copy vs deepcopy): Differences, Nested Lists and When to Use Each (Tested Examples)\" | Hashnode"
description: "Discussion on \"Python Assignment vs Shallow Copy vs Deep Copy (copy vs deepcopy): Differences, Nested Lists and When to Use Each (Tested Examples)\". In Python, b = a does not copy anything: it gives the same object a second name, so a change through one name shows up in the other. A shallow copy (a.copy(), a[:], list(a), dict(a) or copy.copy(a)) c"
url: "https://hashnode.com/posts/python-copy-vs-deepcopy-vs-assignment/6af1fa3c77ad55ff696e98f6"
---

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# [Python Assignment vs Shallow Copy vs Deep Copy (copy vs deepcopy): Differences, Nested Lists and When to Use Each (Tested Examples)](https://mfaysaldev.hashnode.dev/python-copy-vs-deepcopy-vs-assignment?utm_source=hashnode&utm_medium=feed)

In Python, b = a does not copy anything: it gives the same object a second name, so a change through one name shows up in the other. A shallow copy (a.copy(), a\[:\], list(a), dict(a) or copy.copy(a)) c

18h ago · 16 min read · mfaysaldev.hashnode.dev  
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