Arithmetic Assignment

Task: Implement the functions in src/arithmetic/arithmetic.py so that all tests in tests/test_arithmetic.py pass.

Workflow:

1. Fork this repository to your own GitHub account.
2. Create a new branch from develop and name it feature/student1name_student2name.
3. Clone the repo to AWS VM.
4. Implement the functions until all pytest tests pass.
5. Push your code to your Github repo.
6. Submit a Pull Request back to the develop branch of the main repo. CI must pass.
7. Wait for code review and grading.