March 2025
Intermediate to advanced
1172 pages
47h 52m
Spanish
Content preview from Aprender Python, 6.ª edición
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Capítulo 12. Selecciones if y match
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Este capítulo presenta las dos sentencias de Python que se utilizan para seleccionar entre acciones alternativas basándose en los resultados de las pruebas:
if/elif/else- El principal caballo de batalla de la selección en la mayoría de los programas, capaz de codificar una lógica arbitraria
match/case- Una herramienta para una selección múltiple más restringida, con operaciones de emparejamiento avanzadas
Dado que éste es nuestro primer análisis en profundidad de las sentencias compuestas (sentenciasque incluyen otras sentencias ) en , también exploraremos aquí los conceptos generales del modelo sintáctico de las sentencias de Python con más detalle que en la introducción del Capítulo 10. Dado que la sentencia if introduce la noción de pruebas, este capítulo también tratará de las expresiones booleanas, cubrirá la expresión "ternaria" if y completará algunos detalles sobre las pruebas de verdad en general.
si Declaraciones
En términos sencillos, la sentencia Python if selecciona acciones a realizar. Junto con su if expresión homóloga, es la principal herramienta de selección en Python y representa gran parte de la lógica que posee un programa Python. También es nuestra primera sentencia compuesta. Como todas las sentencias de este tipo, la sentencia if puede contener otras sentencias, incluidas otras ifs. De hecho, Python te ...
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