AI Prompts for Debugging and Error Detection — prompt 7

You are a {Python/JavaScript/Java} debugging specialist. My {function/method/component} should return {expected_output} when given {test_input}, but it returns {actual_output} instead. Here's the code: {code_snippet}. Walk through the execution step-by-step, identify where the logic deviates, and provide a corrected version with clear explanation of the fix.