what does 1 mean 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.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?

Here's an example array in Python: 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. 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.

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). Parameters:

https://stackoverflow.com/questions/14419206/what-does-1-mean-in-...

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syntax - What does :-1 mean in python? - Stack Overflow

It is list indexing, it returns all elements [:] except the last one -1. Similar question here. For example, It works like this. It's called slicing, and it returns everything of message but the last element. Best way to understand this is with example: You can always replace -1 with any number: The last index is not included. It's called slicing.

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://stackoverflow.com/questions/22832615/what-do-and-mean-in-...

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syntax - What do >> and << mean in Python? - Stack Overflow

Perhaps an example would help, type a series of these in Python: print bin(1), print bin(1 << 1), print bin(17), print bin(17 >> 1) and so on. You can see how it works without explanations. It is an answer to the context the OP provided (and thus known to OP) and not to the question asked.

https://stackoverflow.com/questions/961344/what-does-the-percenta...

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What does the percentage sign mean in Python [duplicate]

What does if n % x actually say? The % does two things, depending on its arguments. In this case, it acts as the modulo operator, meaning when its arguments are numbers, it divides the first by the second and returns the remainder. 34 % 10 == 4 since 34 divided by 10 is three, with a remainder of four.

https://www.askpython.com/python/examples/plus-equal-operator

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The += Operator In Python - A Complete Guide - AskPython

In this lesson, we will look at the += operator in Python and see how it works with several simple examples. The operator ‘+=’ is a shorthand for the addition assignment operator. It adds two values and assigns the sum to a variable (left operand). Let’s look at three instances to have a better idea of how this operator works. 1.

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://topminisite.com/blog/what-does-1-mean-in-python

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What Does [:1] Mean In Python? - Top Mini Sites

In Python, [:1] is called slicing notation and is used to extract a portion of a sequence or iterable object. When used with a list or string, [:1] retrieves the first element of the list or the first character of the string.

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