---
title: "Discussion on \"My Understanding of [::-1] Indexing\" | Hashnode"
description: "Discussion on \"My Understanding of [::-1] Indexing\". This year I find lots of usage scenarios of this [::-1] index. And today again, when I am seeing some computer vision preprocessing program. So I want to get a deeply understand of this usage.\nFor 1D array\nimport numpy as np\n\n# create a 1D array\narr ..."
url: "https://hashnode.com/posts/my-understanding-of-1-indexing/6617b138a08771af96b771de"
---

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# [My Understanding of \[::-1\] Indexing](https://greybird.hashnode.dev/my-understanding-of-1-indexing?utm_source=hashnode&utm_medium=feed)

This year I find lots of usage scenarios of this \[::-1\] index. And today again, when I am seeing some computer vision preprocessing program. So I want to get a deeply understand of this usage. For 1D array import numpy as np # create a 1D array arr ...

Apr 11, 2024 · 1 min read · greybird.hashnode.dev  
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