September 2024
Intermediate to advanced
630 pages
13h 8m
Spanish
Content preview from Introducción a Python, 2ª Edición
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Capítulo 10. Oh Oh: Objetos y clases
Este trabajo se ha traducido utilizando IA. Agradecemos tus opiniones y comentarios: translation-feedback@oreilly.com
Ningún objeto es misterioso. El misterio es tu ojo.
Elizabeth Bowen
Coge un objeto. Hazle algo. Hazle otra cosa.
Jasper Johns
Como he mencionado en varias páginas, todo en Python, desde los números hasta las funciones, es un objeto. Sin embargo, Python oculta la mayor parte de la maquinaria de los objetos mediante una sintaxis especial. Puedes escribir num = 7para crear un objeto de tipo entero con el valor 7, y asignar una referencia de objeto al nombre num. La única vez que necesitas mirar dentro de los objetos es cuando quieres crear los tuyos propios o modificar el comportamiento de los existentes. Verás cómo hacer ambas cosas en este capítulo.
¿Qué son los objetos?
Un objeto es una estructura de datos personalizada que contiene tanto datos (variables, llamadas atributos) como código (funciones, llamadas métodos). Representa una instancia única de alguna cosa concreta. Piensa en los objetos como sustantivos y en sus métodos como verbos. Un objeto representa una cosa individual, y sus métodos definen cómo interactúa con otras cosas.
Por ejemplo, el objeto entero con valor7 es un objeto que facilita métodos como la suma y la multiplicación, como has visto en el Capítulo 3.8 es un objeto diferente. Esto significa que hay una clase entera incorporada en algún lugar de Python, a la que pertenecen 7 y 8. Las cadenas 'cat' ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.