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Copy-ready Python snippets by topic and difficulty — short, focused, and runnable in the browser editor.

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Automation & scripting medium

Build a Complete Website Sitemap Generator Without External Services

Crawl a website recursively using only Python's standard library to generate a structured sitemap of internal links.

sitemap web-crawler html-parser

Python

import json
from urllib.parse import urlparse, urljoin
from collections import deque
import urllib.request
import urllib.error
import re
from html.parser import HTMLParser

class SitemapParser(HTMLParser):
    def __init__(self, base_url):
        super().__init__()
        self.base_url = base_url
        self.links …

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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.

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Pick a topic section — strings, lists, files, functions, and more
Open a sample, read How it works, and copy the code block
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.

Free online Python IDE Write and run Python in your browser — no install. Free Python code formatter Format with autopep8 — side-by-side PEP 8 cleanup.