As of Python 3.6, f-strings are a great new way to format strings. Not only are they more readable, more concise, and less prone to error than other ways of formatting, but they are also faster!

By the end of this article, you will learn how and why to start using f-strings today.

But first, here’s what life was like before f-strings, back when you had to walk to school uphill both ways in the snow.

“Old-school” String Formatting in Python

Before Python 3.6, you had two main ways of embedding Python expressions inside string literals for formatting: %-formatting and str.format(). You’re about to see how to use them and what their limitations are.

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