November 2001
Beginner
320 pages
5h 53m
English
Content preview from Perl To Python MigrationBecome 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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PERL TO PYTHON TRAPS
There are quite a few traps for the unwary when migrating from Perl to Python in terms of the built-in function set. Primarily these relate to the way in which Python is object-oriented and therefore has class methods for certain operations that are covered by a Perl internal function – keys() and each(), for example. These traps apply as much to the built-in function set as to the methods on the base object types and other classes.
Other traps to look out for in all functions and methods, including the built-in ones dealt with in this chapter, are:
Python has no “scratchpad” variable ($_ in Perl) – if a function is expecting an argument and you don't supply one the interpreter will raise an exception.
Python functions return ...
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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.