You've asked Claude to write a data migration script, but the initial output doesn't correctly handle records with null values in required fields. What is the most effective way to iterate toward a working solution?
A Manually edit the generated code to fix the null handling, then continue working with Claude on other parts. B Add “think harder about edge cases” to your prompt and request a complete rewrite of the migration logic. C Describe the null value problem in detail and ask Claude to regenerate the entire script with improved edge case handling. D Provide a test case with example input containing null values and the expected output, then ask Claude to fix it. Show Answer Answer Explanation Providing a concrete test case — specific input containing null values along with the expected output — gives Claude a precise, verifiable target for debugging. This test-driven approach lets Claude reason about the exact failure condition and confirm the fix resolves it, rather than relying on vague instructions (like 'think harder'), verbal-only problem descriptions that risk incomplete regeneration, or bypassing Claude to manually patch the code, which forfeits the benefit of having the assistant understand and correct its own logic.
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