Please explain Q# 1, A list operation that produces one summary item result is called Group of answer choices A. Map B. Fold C. Filter D. Iterate   Q#2, What is an accumulator? Group of answer choices A. An optional argument to a helper method B. An argument to a recursive method tracks information over the course of the recursion C. None of the above D. A recursive method that returns an accumulated value

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A: The question is in what instances it’s impractical to use recursion over loops.

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A: The solution for the above-given question is given below:

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A: Here is the detailed explanation of the solution

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A: Please refer to the following steps for the complete solution to the problem above.

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Q: When writing a recursive method,

A: Answer : you do not need to know ahead of time exactly how many levels of recursion will occur.