Dive into Python 3
http://diveintopython3.org/

"This site is optimized for Lynx just because fuck you. I'm told it also looks nice in graphical browsers." And PapayaWhip.

ちょｗ、25.1ｗｗ

Bruce Eckel's (of _Thinking in Java_ fame) Creative Commons licensed book about Python 3.

An open source book written and edited by Bruce Eckel with contributions and help from the Python community. Published under the Creative Commons Attribution-Share Alike 3.0 license.

When you talk about “text,” you’re probably thinking of “characters and symbols on my computer screen.” But computers don’t deal in characters and symbols; they deal in bits and bytes. Every piece of text you’ve ever seen on a computer screen is actually stored in a particular character encoding. Very roughly speaking, the character encoding provides a mapping between the stuff you see on your screen and the stuff your computer actually stores in memory and on disk. There are many different character encodings, some optimized for particular languages like Russian or Chinese or English, and others that can be used for multiple languages. In reality, it’s more complicated than that. Many characters are common to multiple encodings, but each encoding may use a different sequence of bytes to actually store those characters in memory or on disk. So you can think of the character encoding as a kind of decryption key.

Everything you thought you knew about strings is wrong.

also about UTF-32, UTF-16, UTF-8