Update functions

[glenn-jocher]

🛠️ PR Summary

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🌟 Summary

Refactor of module1.py to streamline and document an addition function.

📊 Key Changes

• Removed some_function_with_a_long_name function and get_git_dir function.
• Simplified add_numbers function implementation.
• Enhanced docstring for add_numbers with parameter details and return type.

🎯 Purpose & Impact

• The simplification of add_numbers makes the code more readable and easier to maintain. 🧑‍💻
• The updated docstring helps developers understand the function usage quickly, improving the developer experience. 📖
• The removal of unused functions reduces clutter, which may help new contributors comprehend the codebase faster. 🚀
• These changes should not impact users directly but improve the quality and maintainability of the code for developers. 👨‍💼