December 2024
Intermediate to advanced
430 pages
9h 20m
German
Content preview from Grundlagen der Python-Programmierung leicht und verständlich erklärtBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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5Collections
Aus Kapitel 2 wissen wir bereits, dass in Python Listen, Mengen und Schlüssel-Wert-Abbildungen, auch Dictionaries genannt, zur Verwaltung von anderen Objekten dienen. Das wird durch sogenannte Containerklassen realisiert, nämlich list, set und dict. Diese wollen wir uns nun etwas genauer ansehen.
5.1Schnelleinstieg
5.1.1Die Klasse list
Sollen mehrere Werte, etwa Namen, Städte, Aufgaben, Kunden usw., verwaltet werden, dann sind Listen oftmals eine gute Wahl – aus dem realen Leben kennen wir Einkaufslisten, To-do-Listen, Wunschlisten und viele andere.
In Python ermöglichen Listen die Speicherung von Werten und bieten einen positionsbasierten (indizierten) Zugriff auf die Elemente. Eine Liste behält die Reihenfolge der Elemente bei ...
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