Python Workout

2 Strings

Strings in Python are the way we work with text. Words, sentences, paragraphs, and even entire files are read into and manipulated via strings. Because so much of our work revolves around text, it’s no surprise that strings are one of the most common data types.

You should remember two important things about Python strings: (1) they’re immutable, and (2) in Python 3, they contain Unicode characters, encoded in UTF-8. (See the sidebars on each of these subjects.)

There’s no such thing as a “character” type in Python. We can talk about a “one-character string,” but that just means a string whose length is 1.

Python’s strings are interesting and useful, not only because they allow us to work with text, but also because they’re a Python ...