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Python es un lenguaje de programación interpretado, de propósito general y de alto nivel, que en los últimos años ha experimentado un gran auge, gracias a que es fácil de aprender, puede ejecutarse en diferentes sistemas operativos, y además, permite desarrollar aplicaciones rápidamente sin renunciar a un código legible y fácil de mantener. Empresas y organizaciones importantes, como, por ejemplo, Google y la NASA, utilizan Python como lenguaje de programación preferente en gran parte de sus proyectos, y gracias a ello, pueden desarrollar complejas aplicaciones en tiempo récord. La completa librería estándar que contiene y la gran cantidad de paquetes adicionales existentes permiten emplear este lenguaje para desarrollar software dirigido a diferentes ámbitos, entre los que se incluyen la istración de sistemas, las aplicaciones web, las de tipo científico y las de escritorio con interfaz gráfica de . A diferencia de otros lenguajes, Python permite trabajar con distintos paradigmas de programación, como la orientación a objetos, la programación imperativa y la funcional, por lo que ofrece una gran flexibilidad a la hora de desarrollar aplicaciones. Su licencia open source puede utilizarse en cualquier tipo de proyecto, incluyendo el desarrollo de aplicaciones comerciales; además, existe una extensa comunidad de desarrolladores que contribuyen a la mejora y expansión del lenguaje lo que permite que la implementación de su intérprete no dependa de ninguna compañía concreta. Este libro ofrece un repaso a las principales características del lenguaje, así como otros aspectos relacionados con el mismo, siempre desde un punto de vista práctico, con la intención de que el lector consiga rápidamente familiarizarse con el lenguaje. Cada capítulo presenta ejemplos de código para practicar aplicando los conocimientos adquiridos.