Python Standard Library
01. Overview
02. Text Processing
03. Data Types and Structures
04. Numeric and Mathematical Modules
05. File and Directory Access
06. Data Persistence
07. Data Compression and Archiving
08. File Formats
09. Cryptographic Services
10. OS Services and Functionality
11. Concurrent Execution
12. Networking and Internet
13. Internet Data Handling
14. Structured Markup Processing Tools
15. Development Tools
16. Debugging and Profiling
17. Software Packaging and Distribution
18. Python Runtime Services
19. Internationalization
20. Program Frameworks
21. Graphical User Interfaces
22. Specialized Use Cases