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https://stackoverflow.com/questions/15535205/what-does-1-mean-do-...

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What does [:-1] mean/do in python? - Stack Overflow

Working on a python assignment and was curious as to what [:-1] means in the context of the following code: instructions = f.readline()[:-1] Have searched on here on S.O. and on Google but to no avail. Would love an explanation!

https://www.freecodecamp.org/news/python-slicing-how-to-slice-an-...

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

Learn how to slice an array in Python using colons and square brackets. See examples of slicing with different start, end and step arguments.

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

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Python Operators - W3Schools

W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more.

https://blog.csdn.net/weixin_44350337/article/details/116034510

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Python中[-1]、[:-1]、[::-1]、[n::-1]、[:,:,0]、[…,0]、[…,::-1] 的理解

Python中切片原理 0 下标说明无论是str还是list等，从左到右下标从0开始，从右到左下标从-1开始如：str = 'python'，下标示意图如下： 1 两参数：[开始：结束] 知识点1：遵循左闭右开原则，如：[0:9]等价于数学中的[0,9) 例子： # 字符串中用法 str = 'python' print(str[0:3 ...

https://www.guru99.com/1-in-python.html

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1] in Python with Examples - Guru99

Difference between a[-1] and a[::-1] in Python. A [-1] is used for negative indexes and helps select items in reverse order in a given list. It signifies the beginning of the list from the end of the reverse order. Here, [-1] signifies the first item from the last position. The following is an example that explains the usage of A[-1]

https://www.python.org/download/releases/

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Releases - Python.org

Python releases are now listed on the downloads page. This page only provides links to older releases which are not listed in the release database. Python 1.6.1 (September 2000) Python 1.5.2 (April 1999) Older source releases (1.0.1 - 1.6) Ancient source releases (pre 1.0) Python 1.5 binaries; Python 1.4 binaries; Python 1.3 binaries; Python 1. ...

https://www.askpython.com/python/examples/python-increment-by-1

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Python increment by 1 - AskPython

Learn how to use the augmented assignment operator += to increment a variable by 1 in Python. See examples with numbers, strings, lists, and dictionaries.

https://www.python.org/

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Welcome to Python.org

Python is a versatile and easy-to-learn language that lets you work quickly and integrate systems more effectively. Download the latest version, read the documentation, find jobs, events, success stories and more on Python.org.

https://www.runoob.com/note/51257

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Python 中的 [:-1] 和 [::-1] - 菜鸟教程

Python 中的 [:-1] 和 [::-1] 1、案例解释. a='python' b=a[::-1] print(b) #nohtyp c=a[::-2] print(c) #nhy #从后往前数的话，最后一个位置为-1 d=a[:-1] #从位置0到位置-1之前的数 print(d) #pytho e=a[:-2] #从位置0到位置-2之前的数 print(e) ...

https://www.learnpython.org/

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Learn Python - Free Interactive Python Tutorial

Other Python Tutorials. DataCamp has tons of great interactive Python Tutorials covering data manipulation, data visualization, statistics, machine learning, and more; Read Python Tutorials and References course from After Hours Programming; Contributing Tutorials. Read more here: Contributing Tutorials

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