Maintenance

Site is under maintenance — quizzes are still available.

Go to quizzes
Sponsored Reserved space — layout preview until AdSense is connected

Reference library

Python code samples

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

1 match
Sponsored Reserved space — layout preview until AdSense is connected
Files & data easy

Compare Two Folder Structures and Find Differences in Python

Walks two directories using os.walk, builds sets of relative paths, and prints items that exist in only one folder.

filesystem os.walk comparison
Python
import os

def compare_folders(path1, path2):
    """
    Compare the file/folder structure of two directories and print differences.
    """
    def get_structure(root):
        structure = set()
        for dirpath, dirnames, filenames in os.walk(root):
            rel_path = os.path.relpath(dirpath, root)
         …
2 0 Open

Browse by section

Each section groups closely related Python snippets.

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.