Glossary: Data Structures and Algorithms
f-string format codes (:02d, :<, :>)
Also written: :02d, format code, format codes, :<7, :>4
Codes after a colon inside an f-string's braces that control layout: `<` and `>` align text left or right in a given width, and `:02d` prints a whole number at least 2 characters wide with a leading zero, so 9 prints as 09.