docs: complete all 1000 Python program issues

Created comprehensive program issue files for ALL 1000 programs:

NEW FILES:
- EASY_PROGRAMS_201-300.md: List (201-250) + Dictionary (251-300) programs
- MEDIUM_PROGRAMS_301-400.md: File Handling (301-350) + OOP (351-400)
- MEDIUM_PROGRAMS_401-600.md: Database (401-450), API (451-500), Web Scraping (501-550), Data Analysis (551-600)
- HARD_PROGRAMS_601-850.md: Algorithms (601-650), Data Structures (651-700), Design Patterns (701-750), System Design (751-800), ML (801-850)
- VERY_HARD_PROGRAMS_851-1000.md: Distributed Systems (851-880), Advanced ML/AI (881-920), Production (921-960), Complete Applications (961-1000)

COMPLETE BREAKDOWN:
✅ Super Easy (1-100): 100 programs - Basic syntax, print, input
✅ Easy (101-300): 200 programs - Numbers, strings, lists, dicts
✅ Medium (301-600): 300 programs - Files, OOP, DB, API, scraping, data
✅ Hard (601-850): 250 programs - Algorithms, DS, patterns, system design, ML
✅ Very Hard (851-1000): 150 programs - Distributed, advanced ML, production, apps

TOTAL: 1000 unique Python program issues with:
- Proper program names
- File paths for solutions
- Task descriptions
- Skills required
- Example/test cases
- Progress tracking

All programs are categorized, numbered, and ready for contributors!

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>

Author: hackdartstorm