Tirsvad 9d8beb3aef Refactor to unified caesar() function with encode/decode support ...

- Replace separate encrypt/decrypt with shared caesar() function
- Add direction constants (DIRECTION_ENCODE, DIRECTION_DECODE) and
  prompts
- Update main.py to support interactive encode/decode loop
- Keep encrypt/decrypt as wrappers for backward compatibility
- Add tests for caesar() with both directions and error handling
- Update tests for main.py with interactive scenario tests

2026-10-04 13:23:47 +08:00

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index.md

Refactor to unified caesar() function with encode/decode support

2026-10-04 13:23:47 +08:00

plan.md

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2026-10-04 13:05:54 +08:00