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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.
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1] in Python with Examples - Guru99
There are two ways to represent 1 in python as described below: –. It can be represented in a simple square bracket with no colon and another method with double colon syntax. An iterable sequence such as a list or string can be parsed to item level using [] brackets. Within the [] brackets, one has to provide different indexes.
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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:
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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:
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Modulo operator (%) in Python - GeeksforGeeks
Modulo operator (%) in Python gives the remainder when one number is divided by another. Python allows both integers and floats as operands, unlike some other languages. It follows the Euclidean division rule, meaning the remainder always has the same sign as the divisor.
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Python Operators Cheat Sheet | LearnPython.com
Discover the essential Python operators and how to effectively use them with our comprehensive cheat sheet. We cover everything from arithmetic to bitwise operations! If you’ve ever written a few lines of Python code, you are likely familiar with Python operators.
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Python Operators (With Examples) - Programiz
Operators are special symbols that perform operations on variables and values. For example, Here, + is an operator that adds two numbers: 5 and 6. Here's a list of different types of Python operators that we will learn in this tutorial. 1. Python Arithmetic 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.
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Python Modulo in Practice: How to Use the % Operator
Python supports a wide range of arithmetic operators that you can use when working with numbers in your code. One of these operators is the modulo operator (%), which returns the remainder of dividing two numbers. In this tutorial, you’ll learn: The Python modulo operator can sometimes be overlooked.
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Python Double Slash (//) Operator: Floor Division - LearnDataSci
In Python, we can perform floor division (also sometimes known as integer division) using the // operator. This operator will divide the first argument by the second and round the result down to the nearest whole number, making it equivalent to the math.floor () function. See below for a quick example of this: Which is the same as: