June 2015
Intermediate to advanced
464 pages
12h 3m
German
Content preview from Raspberry Pi programmieren mit Python
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Kapitel 3: Kollektionen: Mengen, Listen, Tupel und Dictionaries
Zahlen und boolesche Werte (True, False) sind einfache Datentypen. Darüber hinaus gibt es Kollektionen, die aus mehreren Elementen oder Items zusammengesetzt sind. Dazu gehören Mengen, Listen, Tupel, Dictionaries, aber auch die Zeichenketten, die ja schon in den ersten beiden Kapiteln vorkamen. In praktisch allen etwas komplexeren Programmen spielen Kollektionen gleichartiger Objekte eine Rolle: die Pixel eines Fotos, die grafischen Elemente auf einer Bildfläche, Wörterbücher, eine Sammlung von Klängen, Zahlenfolgen usw.
In den Projekten in diesem Kapitel stehen die programmtechnischen Grundlagen der Verarbeitung von Kollektionen im Mittelpunkt.
3.1 Die Typhierarchie
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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.