use of 1 in python - PrivacyWall

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

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

Sometimes -1 is used to express the end of an array of things. My guess is this means to read from beginning to the end of the line (but just a guess, hence not an official answer). I'm not sure it's a dup, because of that "in the context of…" part—which is the part that you and, especially, Pavel Anossov answered.

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

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1] in Python with Examples - Guru99

When using square brackets, one specifies either multiple items or a single item in the list. Whenever a programmer defines [::-1], it suggests that the program has to traverse from start to end in a given list. You can do indexing in python, which helps to slice and dice an iterable sequence such as a list or string. What is [::-1] in Python?

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

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Python Operators - W3Schools

Operators are used to perform operations on variables and values. In the example below, we use the + operator to add together two values: Python divides the operators in the following groups: Arithmetic operators are used with numeric values to perform common mathematical operations: Assignment operators are used to assign values to variables:

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

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Python increment by 1 - AskPython

To increment a variable by 1 in Python, you can use the augmented assignment operator +=. This operator adds the right operand to the left operand and assigns the result to the left operand. For example, if you have a variable x with the value 5, you can increment it by 1 using the following code:

https://www.geeksforgeeks.org/python-operators/

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Python Operators - GeeksforGeeks

In Python programming, Operators in general are used to perform operations on values and variables. These are standard symbols used for logical and arithmetic operations. In this article, we will look into different types of Python operators. OPERATORS: These are the special symbols. Eg- + , * , /, etc.

https://learnpython.com/blog/python-operators-cheat-sheet/

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Python Operators Cheat Sheet - LearnPython.com

Python operators are special symbols or keywords used to perform specific operations. Depending on the operator, we can perform arithmetic calculations, assign values to variables, compare two or more values, use logical decision-making in our programs, and more.

https://realpython.com/python-operators-expressions/

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Operators and Expressions in Python

Python operators enable you to perform computations by combining objects and operators into expressions. Understanding Python operators is essential for manipulating data effectively.

https://docs.python.org/3/tutorial/index.html

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The Python Tutorial — Python 3.13.3 documentation

Python is an easy to learn, powerful programming language. It has efficient high-level data structures and a simple but effective approach to object-oriented programming.

https://www.askpython.com/python/list/negative-indexing

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Negative Indexing in Python List – How to Use “-1” Parameter

In Python, objects are “zero-indexed”, which means that position counting starts at zero, 5 elements exist in the list, then the first element (i.e. the leftmost element) holds position “zero”, then After the first element, the second, third and fourth place.

https://stackoverflow.com/questions/20802056/python-regular-expre...

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regex - python regular expression "\1" - Stack Overflow

Can anyone tell me what does "\1" mean in the following regular expression in Python? \1 is equivalent to re.search(...).group(1), the first parentheses-delimited expression inside of the regex.

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