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Python Code Samples

Easy snippets you can copy, study, and run in the browser editor.

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Modern tooling easy

Makefile Targets for lint, test, and build in Python

This Python script defines common Makefile targets (lint, test, build) as subprocess commands, printing each target's command and executing them with error checking.

subprocess makefile tooling
Python
import subprocess

TARGETS = {
    "lint": ["ruff", "check", "."],
    "test": ["pytest", "-q"],
    "build": ["python", "-m", "build"],
}


def run(target: str) -> None:
    if target not in TARGETS:
        raise ValueError(f"Unknown target: {target}")
    print(f"Running {target}...")
    subprocess.run(TARGETS[tar…
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Guide: free Python code samples library

Copy-ready Python snippets for learners and developers

PythonSkillset code samples are short, focused examples organised by topic and difficulty. Every snippet is server-rendered HTML — readable by search engines and easy to copy. Open any sample, read the notes, copy the code, then press Try in editor to run it in the browser with Pyodide.

How to use this library

  1. Pick a topic section — strings, lists, files, functions, and more
  2. Open a sample, read How it works, and copy the code block
  3. Run it in the IDE, tweak values, then take a related quiz or tutorial lesson

Samples vs tutorials and challenges

Samples are quick reference — one concept per page. For step-by-step teaching, use our Python tutorials. To test yourself, try quizzes or coding challenges. Clean up style with the Python formatter.