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python

Function decorators

Learn how to define, apply, and create custom function decorators. Understand decorator syntax and their use in modifying function behavior for cleaner, reusable code.

7 roles need it, 5 as coreUsually level 3: WorkingLesson available

Where it sits

Learn first

Declaring functions

This skill

Function decorators

Leads to

Overview of FastAPIRedis basicsIntroduction to Flask

Jobs that need it

What level 3 (Working) means

Uses it independently on the job. Level 4 (Strong): handles hard cases, reviews others.

Start learning

Function decorators

Advanced usage

about 11 min5 parts

Open the lesson

Find out where you stand

A free check, then a route that starts at your level.

Check my readiness

Learned alongside it

Abstract and concrete data structuresaiohttpBasic data typesBasic SyntaxBinary search treeblackBuiltinsClasses

Function decorators: common questions

What is Function decorators?

Learn how to define, apply, and create custom function decorators. Understand decorator syntax and their use in modifying function behavior for cleaner, reusable code.

Which jobs need Function decorators?

AI Engineer, Backend Developer (Python), Data Engineer, Data Scientist, Full Stack Developer (Python + React), and 2 more. Most ask for level 3 (Working): uses it independently on the job.

What should I learn before Function decorators?

Declaring functions.

How long does it take to learn Function decorators?

The starting lesson, Function decorators, takes about 11 minutes. Reaching the level a job asks for takes practice on top: BootSelf measures where you are and plans the rest.

How do I practise Function decorators?

Check your readiness for free, then BootSelf builds a route and short daily learning loops: a little theory, checks on what you get wrong, then a small program.