Level 6Exercise #127

Filter Python files

Return only paths whose final suffix is .py, case-insensitively.

What you’ll practice

This Level 6 exercise focuses on Path.suffix in the Professional curriculum. Solve the challenge prompt above using clear, idiomatic Python and the relevant language or standard-library tools.

Relevant Python reference: pathlib — Object-oriented filesystem paths.

Sample Test Cases

Example #1

Input:python_files(['app.py','README.md','TEST.PY'])

Output:['app.py','TEST.PY']

Reference Solution

Reveal Reference Solution

def python_files(names: list[str]) -> list[str]:
    from pathlib import Path
    return [name for name in names if Path(name).suffix.lower() == '.py']

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Filter Python files

What you’ll practice

Sample Test Cases

Further Reading

Reference Solution