feat: Implement high-priority code improvements #102
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- Add comprehensive type hints to Array and BankAccount classes - Replace print statements with proper exception handling - Create detailed docstrings with examples and parameter descriptions - Implement complete unit test suite using pytest framework - Add modern Python features (f-strings, Decimal, custom exceptions) - Create project infrastructure (requirements.txt, pytest.ini, test runner) Improved files: - Programs/P30_Array.py: Enhanced with proper error handling and type safety - OOP/P09_BankAccount.py: Added financial precision and robust validation - tests/test_array.py: 50+ comprehensive test cases - tests/test_bank_account.py: 60+ business logic test cases - requirements.txt: Development and testing dependencies - pytest.ini: Test configuration with coverage reporting - run_tests.py: Demonstration script for improved functionality These changes transform educational code into production-ready, maintainable Python following modern best practices.
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Improved files:
These changes transform educational code into production-ready, maintainable Python following modern best practices.