August 2007
Beginner to intermediate
656 pages
17h 20m
German
Content preview from Einfüehrung in PythonBecome 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,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.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.
Verweise und Kopien
Wir haben im Abschnitt »Intermezzo: Dynamische Typisierung« in Chapter 4 erwähnt, dass Zuweisungen immer Verweise auf Objekte speichern, nicht auf Kopien. In der Praxis ist es das, was Sie normalerweise möchten. Aber weil Zuweisungen mehrere Verweise auf das gleiche Objekt generieren können, sollten Sie sich bewusst sein, dass eine Änderung an einem Objekt an Ort und Stelle Auswirkung auf andere Stellen in Ihrem Programm haben kann, an denen andere Verweise auf das gleiche Objekt benutzt werden. Wenn Sie dieses Verhalten nicht wünschen, müssen Sie Python explizit mitteilen, dass es das Objekt kopieren soll.
Das folgende Beispiel weist eine Liste an X zu, und eine weitere Liste, die einen Verweis auf die Liste X enthält, wird ...
Become 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,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.