recursion_mystery6

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< recursion_mystery648

recursion_mystery7 >

Main Page → Exercises → Python → Solve an Exercise

Language/Type: Python recursion

For each of the calls to the following recursive function below, indicate what value is returned:

def recursion_mystery6(s):
    if len(s) == 0:
        return s
    elif len(s) % 2 == 0:
        rest = s[:-1]
        last = s[-1]
        return last + recursion_mystery6(rest)
    else:
        first = s[0]
        rest = s[1:]
        return "(" + first + ")" + recursion_mystery6(rest)

`recursion_mystery6("hi")`
`recursion_mystery6("quirk")`
`recursion_mystery6("computer")`

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recursion_mystery6