Python coding challenges: "file-paths"

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Python Basics easy

Pathlib Operations: File Path Basics

Practice using pathlib to manipulate file paths and extract components.

pathlib file-paths strings

+8 pts 10m

Strings & Text easy

Extract file extensions

Implement a function that extracts the extension from a filename according to standard rules.

strings parsing file-paths

+8 pts 10m

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Guide: free Python coding challenges

Practice Python by solving problems

PythonSkillset challenges are hands-on coding exercises from beginner to advanced. Open a challenge, read the problem, write Python in the split-pane editor, and run tests with Pyodide — no install required.

How to use the arena

Pick a category — basics, algorithms, strings, and more
Open a challenge, read the statement, and edit the starter code
Run tests, fix failures, then try a related quiz or tutorial lesson

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.

Python Coding Challenges