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    Question

    When debugging a recursive function that processes a

    `Tree` data structure, what is a common strategy to identify infinite recursion or incorrect base cases? 
    A Increase the recursion depth limit. Correct Answer Incorrect Answer
    B Use print statements to trace function calls and their parameters at each level. Correct Answer Incorrect Answer
    C Convert the recursive function to an iterative one. Correct Answer Incorrect Answer
    D Ignore the base case and focus only on the recursive step. Correct Answer Incorrect Answer

    Solution

    For recursive functions, tracing the input parameters and the return values at each call level using print statements (or a debugger's call stack inspection) is the most effective way to understand the flow, identify incorrect base cases, or detect infinite recursion.

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