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Decorators & Context Managers easy

Once Decorator: Run a Function Only Once

Implement a decorator that caches and returns the result of the first call for subsequent calls.

decorators closures caching

Decorators & Context Managers easy

Timing Decorator

Implement a decorator that prints the execution time of a function.

decorators time performance

Decorators & Context Managers medium

Memoize with TTL

Implement a decorator that caches function results for a limited time, returning cached values within the TTL and recomputing after expiry.

decorators memoization caching

Decorators & Context Managers medium

LRU Memoize

Implement an LRU memoization decorator that caches results for a fixed number of arguments.

decorators caching lru

Decorators & Context Managers medium

Cache result decorator

Create a decorator that stores results of function calls keyed by positional arguments.

decorators memoization functools

Decorators & Context Managers medium

Profile time decorator

Create a decorator that tracks how many times a function is called and its cumulative execution time.

decorators timing profiling

Decorators & Context Managers easy

Print Args Decorator

Write a decorator that prints function name and arguments, then returns the original result.

decorators functions wrappers

Showing 7 challenges · Decorators & Context Managers

Decorators & Context Managers — Python coding challenges

What you will find here

This page lists decorators & context managers challenges — real Python problems you solve in the browser IDE with instant test feedback. Each challenge includes a clear brief, starter code, and automated checks.

Challenges vs tutorials and quizzes

Challenges test what you can build under constraints. For guided teaching, use our Python tutorials. For quick checks, try quizzes or copy snippets from code samples.