October 2004
Intermediate to advanced
336 pages
6h 27m
English
Content preview from Find the Bug A Book of Incorrect Programs
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Encode Strings Using a Character Map
This function encodes strings using a simple character map. Letters are mapped to the letter that is 13 positions away in the alphabet, so A becomes N (and N becomes A), B becomes O, and so on. In addition, numbers are mapped to the symbol that occupies the same key on a standard U.S. keyboard, so 1 becomes !, 2 becomes @ (and vice versa), and so on. Other characters are left alone.
The built-in function index(), when called on a string, returns the index in the string of the first occurrence of a substring: It raises a ValueError exception if the substring is not found:
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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.