March 2025
Intermediate to advanced
584 pages
15h 31m
English
Content preview from The Quick Python Book, Fourth EditionBecome 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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13 Reading and writing files
This chapter covers
- Opening files and
fileobjects - Closing files
- Opening files in different modes
- Reading and writing text or binary data
- Redirecting screen input/output
- Using the
structmodule - Pickling objects into files
- Shelving objects
File operations are a common feature in the daily routines of many developers. The most common file type is the simple text file, which is used in a wide variety of situations, from raw data files to log files to source code and more. If text files can’t do the job, binary files can be used to store almost anything, often by using the struct module for specific binary formats or even the pickle and shelve modules to store and retrieve Python objects. Let’s walk through reading ...
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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.