Practical, executable script labs — DedSec Project

These self-contained Python 3.10+ examples use only the standard library. Each has assertions and an independent entrypoint. They do not install packages or make network requests.

• Normalize search text — 01_normalize_search.py
• Validate JSON settings — 02_validate_config.py
• CSV summary with invalid rows — 03_csv_statistics.py
• Filter JSON Lines — 04_jsonl_filter.py
• SHA-256 for integrity — 05_sha256_memory.py
• Ensure paths stay in a workspace — 06_path_containment.py
• Compare text versions — 07_diff_text.py
• Build a Markdown outline — 08_markdown_headings.py
• Parse structured log events — 09_log_events.py
• SQLite transactional tasks — 10_sqlite_tasks.py
• Retry a simulated transient operation — 11_bounded_retry.py
• Cache a pure function — 12_memoization.py
• Breadth-first graph traversal — 13_queue_bfs.py
• Process iterables in batches — 14_batched_generator.py
• Merge already-sorted iterables — 15_merge_sorted.py
• Local checksum manifest — 16_backup_manifest.py
• Inspect ZIP without extracting — 17_zip_preview.py
• Simulate a rate limiter — 18_token_bucket.py
• Design structured API errors — 19_api_errors.py
• Merge nested dictionaries with copying — 20_deep_merge.py
• UTF-8 encoding round trip — 21_utf8_roundtrip.py
• Sliding window with a deque — 22_sliding_window.py
• Topological ordering with cycle detection — 23_topological_sort.py
• Parse HTTP status line safely — 24_simple_http_parse.py