Description

This pull request adds a simple calculator implementation in Python.

Summary

Created a new file sweep/calculator.py
Implemented four basic arithmetic functions: add, subtract, multiply, and divide
Added input handling and operation selection in the __main__ block
Included error handling for invalid inputs and division by zero

Fixes #7.

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enhancement

	Relevant files

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jinchihe commented 5 months ago

This is an automated message generated by Sweep AI.

jinchihe commented 3 months ago

⏱️ Estimated effort to review [1-5]	2, because the PR introduces a simple calculator with basic arithmetic operations and input handling. The code is straightforward and does not involve complex logic or algorithms.
🧪 Relevant tests	No
⚡ Possible issues	Possible Bug: The divide function returns None when dividing by zero, which might not be the best way to handle this case. It could lead to confusion when None is used in further calculations.
🔒 Security concerns	No

Code feedback:

relevant file	sweep/calculator.py
suggestion	Consider raising an exception instead of returning None in the divide function when attempting to divide by zero. This approach provides a clearer error handling mechanism and prevents the propagation of None values, which could lead to more obscure errors down the line. [important]
relevant line	return None

relevant file	sweep/calculator.py
suggestion	To enhance user experience and code maintainability, consider using a dictionary to map operation names to their corresponding functions. This would simplify the if-else block in the main section and make it easier to extend the calculator with more operations in the future. [medium]
relevant line	if operation == "add":

relevant file	sweep/calculator.py
suggestion	It's a good practice to encapsulate the main execution logic in a separate function, such as `main()`, and call this function from the `if __name__ == "__main__":` block. This improves readability and makes the code more modular. [medium]
relevant line	if __name__ == "__main__":

relevant file	sweep/calculator.py
suggestion	For better error handling, consider adding a specific message when division by zero is attempted, before exiting the program. This would provide immediate feedback to the user about what went wrong. [medium]
relevant line	sys.exit(1)

jinchihe commented 3 months ago

Persistent review updated to latest commit https://github.com/jinchihe/Working/commit/f824c43c4e5462281a8f993d45aec59adc917030

jinchihe commented 3 months ago

PR Description updated to latest commit (https://github.com/jinchihe/Working/commit/f824c43c4e5462281a8f993d45aec59adc917030)

jinchihe commented 3 months ago

Persistent review updated to latest commit https://github.com/jinchihe/Working/commit/f824c43c4e5462281a8f993d45aec59adc917030

jinchihe commented 3 months ago

Persistent review updated to latest commit https://github.com/jinchihe/Working/commit/f824c43c4e5462281a8f993d45aec59adc917030

jinchihe commented 3 months ago

Persistent review updated to latest commit https://github.com/jinchihe/Working/commit/f824c43c4e5462281a8f993d45aec59adc917030

jinchihe commented 3 months ago

Persistent review updated to latest commit https://github.com/jinchihe/Working/commit/f824c43c4e5462281a8f993d45aec59adc917030