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Computer Science Level 2

def isfun(n):
    if n == 1:
        return True
    if n == 0:
        return False
    if (n % 3 != 0):
        return False
    return isfun(n / 3)

What does the isfun() function shown above do?

Details

$n$ is a non-negative integer

Returns True if

n

is a power of

3

, False otherwise. Returns True if

n

can be partitioned to

3

, False otherwise. Returns True if

n

is a multiple of

2

. False, otherwise. Returns True if

n

and

3

are co-prime, False otherwise.

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