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Python Slicing – How to Slice an Array and What Does [::-1] Mean?

We created an array of integer values from 1 to 5 here. We also accessed the second value by using square brackets and its index in the order, which is 1. How to Slice an Array in Python. Let's say you want to slice a portion of this array and assign the slice to another variable. You can do it using colons and square brackets. The syntax looks ...

https://stackoverflow.com/questions/44133446/what-does-1-mean-in-...

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list - what does [::-1] mean in python - slicing? - Stack Overflow

Slicing. Negative numbers for start and stop mean "from the end". It's essianlly equivalent of len-value.; Negative number for step means "in reverse order".; Empty start means 0 i.e. 1st element. Empty stop means len.Stop parameter is exclusive!

https://www.geeksforgeeks.org/python-list-slicing/

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Python List Slicing - GeeksforGeeks

Python list slicing is fundamental concept that let us easily access specific elements in a list. In this article, we’ll learn the syntax and how to use both positive and negative indexing for slicing with examples. Example: Get the items from a list starting at position 1 and ending at position 4 (exclusive). Python

https://de.python-3.com/?p=2744

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Python-Slicing - Wie schneidet man ein Array und was bedeutet [::-1]?

Das Slice beginnt bei Index -3 (das ist der dritte Wert vom Ende des Arrays, also 3) und endet bei Index -1 (das ist der letzte Wert). im Array ist das 5). Beim Slicing wird der letzte Wert nicht berücksichtigt, daher haben wir 3 und 4.

https://www.datacamp.com/de/tutorial/python-slice

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Python Slice: Nützliche Methoden für die alltägliche Codierung

Python Slicing ist mächtig, aber auch nicht vor Fehlern gefeit. Einige häufige Fallstricke können selbst erfahrenen Entwicklern zum Verhängnis werden. Das Verständnis dieser Probleme und ihrer Lösungen ist entscheidend für einen sauberen, korrekten Code. Einen Fehler aus dem Stand machen . Ein Off-by-One-Fehler tritt auf, wenn die Start- oder Stopp-Indizes in deinen Slicing-Operationen ...

https://www.w3schools.com/python/ref_func_slice.asp

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Python slice() Function - W3Schools

The slice() function returns a slice object. A slice object is used to specify how to slice a sequence. You can specify where to start the slicing, and where to end. You can also specify the step, which allows you to e.g. slice only every other item.

https://www.pythontutorial.net/advanced-python/python-slicing/

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Python Slicing in Depth - Python Tutorial

Python Slicing: start and stop bounds # The slice seq[start:stop] selects elements starting at the index start and stopping at the index stop (excluding the element at the index stop). In other words, it returns all elements of the sequence at the index n where n satisfies the following expression: start <= n < stop . When start or stop is greater than the length of the sequence: len(seq ...

https://www.pythoncentral.io/how-to-slice-listsarrays-and-tuples-...

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How to Slice Lists/Arrays and Tuples in Python

By default, Python will stop the slicing at the value “stop - 1.” In other words, if the stop value is 5 when using the slice function, Python will only return values till the index value is 4. The last parameter that Python accepts is called step, and it can be entered optionally as required.

https://bas.codes/posts/python-slicing/

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A Comprehensive Guide to Slicing in Python - Bas codes

1 for the step value; However, if the step value is negative, the Nones are replaced with-1 for the start value-len(list) - 1 for the stop value; For example, "Python"[::-1] is technically the same as "Python"[-1:-7:-1] Special Case: Copy. There is a special case for slicing which can be used as a shortcut, sometimes:

https://www.pythonmorsels.com/slicing/

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List slicing in Python

With Python's slicing syntax, the first item is the start index, and the second item is the stop index.The start index is inclusive, but the stop index is exclusive, meaning Python stops just before the stop index.. So we got the items at index 1 and index 2 because we stopped just before index 3.. Default slice start/stop values. The start and stop values are both optional when slicing.

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