Let's break down the provided Python function fun(x, y) and an example call print(fun(3, 5)): python Copy code def fun(x, y): if x == 0: return y else: return fun(x - 1, x * y) print(fun(3, 5)) Function Definition: The function fun(x, y) takes two parameters, x and y. Base Case: The function checks if x is equal to 0. If it is, the function returns y. This serves as the base case for the recursive function. Recursive Case: If x is not equal to 0, the function calls itself recursively with x - 1

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