EraCode practice

Daily C++: Turn exceptions into an error string

C++intermediateMulti-Part

Summary

Quick practice on C++ error handling: catching exceptions and returning a safe, user-facing error result without crashing.

Problem preview

### Goal Complete so callers get either a parsed or a readable error string. - On success, return the parsed integer. - If parsing throws (e.g., invalid input), return an error string that includes t…

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