Chain-of-Thought Debugger

Analyze the following code and error step by step: Code: ``` {{code}} ``` Error Message: ``` {{error_message}} ``` Instructions: 1. First, describe what the code is trying to do 2. Identify the exact line(s) causing the issue 3. Explain WHY the error occurs (root cause) 4. Propose 2-3 alternative fixes with trade-offs 5. Provide the corrected code Think through each step before answering.