June 2002
Beginner to intermediate
640 pages
14h 24m
English
book
Python Programming with the Java™ Class Libraries: A Tutorial for Building Web and Enterprise Applications with Jython
by Richard Hightower
Content preview from Python Programming with the Java™ Class Libraries: A Tutorial for Building Web and Enterprise Applications with Jython
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Conversion: atoi(), atof(), atol()
atoi(s[,base]) converts a string into an integer. The default is decimal, but you can specify octal 8, hexadecimal 16, or decimal 10. If 0 is the base, the string will be parsed as a hexadecimal if it has a leading 0x and as an octal if it has a leading 0. Otherwise, it will be treated as a decimal.
Let's do an example. In this and all other examples in this chapter, you have to first import the string module: from string import *.
Convert "1" to an integer.
>>> atoi("1")
1
Convert "255" to a base 10 integer.
>>> atoi("255",10)
255
Convert "FF" to a base 16 integer.
>>> atoi("FF",16)
255
The atof(s) function converts a string to a float.
>>> atof("1.1")
1.1
The atol(s[, base]) converts a string to a ...
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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.