Python Standard Library Reference
Complete interactive reference for Python's standard library. Browse 124+ functions across 21 categories with live, runnable examples.
✨ What's Included
🎯 Core Python
Built-in functions, type conversion, and essential operations
📊 Data Structures
Strings, lists, dicts, sets, tuples, collections
🔐 Cryptography
Hashing (MD5, SHA), secrets, Base64 encoding
🌐 Networking
URL parsing, HTTP requests, DNS lookups
⚡ Advanced
Collections, itertools, regex, file I/O
🎲 Utilities
Math, random, date/time, JSON, OS operations
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