September 2017
Intermediate to advanced
240 pages
5h 57m
English
Content preview from Learn More Python 3 the Hard Way: The Next Step for New Python ProgrammersBecome 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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Exercise 50. vi
I am going to prison for this exercise. You have a module that implements features used in both ed and sed. Obviously the next step is to implement the most hated and useful text editor in the history of the world: vi. If you knew Lisp you could implement Emacs, but nobody has time to create a whole new operating system pretending to be a text editor. Life is too short to hold down three keys and hit tab all day.
The goal of this exercise is not to do a dead accurate copy of vi. That’s a very large project, but if you feel like trying it then go for it. Your goal in this project is to do one more reuse of your ed module and to play around with the Python curses module (https://docs.python.org/2/howto/curses.html). The curses
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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.
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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.