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Python Code Samples

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

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Automation & scripting medium

Find Sensitive Information in Log Files with Python

Scan log files for emails, IP addresses, API keys, and passwords using regular expressions in Python.

regex security log-analysis
Python
import re
import os
from pathlib import Path

def find_sensitive_info(log_path):
    """Scans log files for patterns like emails, IPs, API keys, and passwords."""
    patterns = {
        'Email': r'[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}',
        'IP Address': r'\b(?:\d{1,3}\.){3}\d{1,3}\b',
        'API Key'…
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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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  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

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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.