PrivateView
¡Nuevo! Vista Privada
Beta
Previsualiza sitios web directamente desde nuestra página de resultados de búsqueda mientras mantienes tu visita completamente anónima.
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.
PrivateView
¡Nuevo! Vista Privada
Beta
Previsualiza sitios web directamente desde nuestra página de resultados de búsqueda mientras mantienes tu visita completamente anónima.
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.
PrivateView
¡Nuevo! Vista Privada
Beta
Previsualiza sitios web directamente desde nuestra página de resultados de búsqueda mientras mantienes tu visita completamente anónima.
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:
PrivateView
¡Nuevo! Vista Privada
Beta
Previsualiza sitios web directamente desde nuestra página de resultados de búsqueda mientras mantienes tu visita completamente anónima.
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:
PrivateView
¡Nuevo! Vista Privada
Beta
Previsualiza sitios web directamente desde nuestra página de resultados de búsqueda mientras mantienes tu visita completamente anónima.
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.
PrivateView
¡Nuevo! Vista Privada
Beta
Previsualiza sitios web directamente desde nuestra página de resultados de búsqueda mientras mantienes tu visita completamente anónima.
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.
PrivateView
¡Nuevo! Vista Privada
Beta
Previsualiza sitios web directamente desde nuestra página de resultados de búsqueda mientras mantienes tu visita completamente anónima.
Python String question: What does [::-1] mean? - Sololearn
In Python, the syntax ` [::-1]` is used to reverse a string. It is known as string slicing with a step value of -1. Let's break down how it works: - The first colon `:` indicates that we want to slice the entire string. - The second colon `:` indicates the step value.
PrivateView
¡Nuevo! Vista Privada
Beta
Previsualiza sitios web directamente desde nuestra página de resultados de búsqueda mientras mantienes tu visita completamente anónima.
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.
PrivateView
¡Nuevo! Vista Privada
Beta
Previsualiza sitios web directamente desde nuestra página de resultados de búsqueda mientras mantienes tu visita completamente anónima.
What Does 'do' Do in Python - Online Tutorials Library
For negative indexing, to display the 1st element to last element in steps of 1 in reverse order, we use the [::-1]. The [::-1] reverses the order. In a similar way, we can slice strings like this. Remember, negative number for step means "in reverse order". Let us now see examples ? Use the [::-1] to reverse the order of a string in Python ?
PrivateView
¡Nuevo! Vista Privada
Beta
Previsualiza sitios web directamente desde nuestra página de resultados de búsqueda mientras mantienes tu visita completamente anónima.
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.