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![marcel_butucea Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::920542823354470400.png) Marcel Butucea [@marcel_butucea](/creator/twitter/marcel_butucea) on x 1530 followers
Created: 2025-07-26 17:18:07 UTC

Did you know Python strings are *immutable*? That means every `.upper()`, `.replace()`, or `.split()` creates a new string in memory! 🤯 Dive into how this impacts performance and more in the article:

![](https://pbs.twimg.com/card_img/1947632654779555840/tUPhhJvE?format=png&name=800x419)

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**Related Topics**
[python](/topic/python)

[Post Link](https://x.com/marcel_butucea/status/1949157293926363139)