Modulo String Formatting in Python
If you’re writing modern Python code with Python 3, you’ll probably want to format your strings with Python f-strings. However, if you’re working with older Python codebases, you’re likely to encounter the string modulo operator for string formatting.
If you’re reading or writing Python 2 code, it’ll help if you’re familiar with this technique. Because the syntax still works in Python 3, you might even see developers use it in modern Python codebases.
In this tutorial, you’ll learn how to:
- Use the modulo operator (
%) for string formatting - Convert values into specific types before inserting them into your string
- Specify the horizontal space a formatted value occupies
- Fine-tune the display using conversion flags
- Specify values using dictionary mapping