A Byte of Python Swaroop C H's online book offers many, many little knowledge chunks. Each page offers a tiny bit of Python knowledge, with clean formatting and good examples.

A Byte of Python is nominally available for free as a web-based book, but is also available as a PDF download and in printed hard copies. Many translations to languages other than English also exist.

Think Python: This book uses everyday English to break the fundamentals of the language into easy-to-digest chunks. A Byte of Python: This clear guide makes learning the basics of Python a breeze.

Normally, in Python 2, I can do so using strings, because a string can contain any bytes, in any order. However, Unicode is quite strict about which bytes represent characters, in no small part ...