September 2024
Intermediate to advanced
738 pages
23h 26m
Spanish
book
Python en una cáscara de nuez, 4ª edición
by Alex Martelli, Anna Martelli Ravenscroft, Steve Holden, Paul McGuire
Content preview from Python en una cáscara de nuez, 4ª edición
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Capítulo 4. Python orientado a objetos
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Python es un lenguaje de programación orientado a objetos (OO). Sin embargo, a diferencia de otros lenguajes orientados a objetos, Python no te obliga a utilizar exclusivamente el paradigma orientado a objetos: también admite la programación procedimental, con módulos y funciones, para que puedas seleccionar el mejor paradigma para cada parte de tu programa. El paradigma orientado a objetos te ayuda a agrupar el estado (datos) y el comportamiento (código) en prácticos paquetes de funcionalidad. Además, ofrece algunos mecanismos especializados útiles que se tratan en este capítulo, como la herencia y los métodos especiales. El enfoque procedimental más sencillo, basado en módulos y funciones, puede ser más adecuado cuando no necesites las ventajas1 de la programación orientada a objetos. Con Python, puedes mezclar y combinar paradigmas.
Además de los conceptos básicos de OO, este capítulo abarca las clases base abstractas, los decoradores y las metaclases.
Clases e instancias
Si estás familiarizado con la programación orientada a objetos en otros lenguajes OO como C++ o Java, probablemente conozcas bien las clases y las instancias: una clase es un tipo definido por el usuario, que instancias para construir instancias, es decir, objetos de ese tipo. Python soporta esto a través de sus objetos clase e instancia.
Clases de Python ...
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