March 2025
Intermediate to advanced
1172 pages
47h 52m
Spanish
Content preview from Aprender Python, 6.ª edición
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Capítulo 10. Introducción a las sentencias de Python
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Ahora que ya conoces los objetos incorporados de Python, este capítulo comienza nuestra exploración de sus formas de sentencia fundamentales. Al igual que en la parte anterior, comenzaremos con una introducción general a la sintaxis de las sentencias y seguiremos con más detalles sobre sentencias concretas en los próximos capítulos.
En términos sencillos, las sentencias son el código que escribimos para decirle a Python lo que deben hacer nuestros programas. Si, como se sugiere en el Capítulo 4, los programas "hacen cosas con cosas", entonces las sentencias son la forma en que especificamos qué tipo de cosas hace un programa. De manera menos informal, Python es un lenguaje procedimental, basado en sentencias; combinando sentencias, especificamos un procedimiento que Python realiza para satisfacer los objetivos de un programa.
La jerarquía conceptual de Python revisada
Otra forma de entender el papel de las sentencias es volver a la jerarquía de conceptos introducida en el Capítulo 4, que hablaba de los objetos incorporados y de las expresiones utilizadas para manipularlos. Este capítulo sube la jerarquía hasta el siguiente nivel de la estructura de los programas Python:
Los programas se componen de módulos.
Los módulos contienen declaraciones.
Las declaraciones contienen expresiones.
Las expresiones crean y ...
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