In Python 2, you don't need to talk about byte strings explicitly, but by using them, you can make it very clear as to whether you're using bytes or characters.

《A Byte of Python》 是一本关于用 Python 语言编程的书。可以作为初学这的入门教程。也可以供计算机相关人员参考。

And now for something completely different. Today, the Monty Python's Flying Circus Python Bytes App for iPhone, iPad and iPod touch makes its debut on the App Store. Developed by Heuristic-Media ...