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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def directed_tripartition_indices(N):
 """Return indices for directed tripartitions of a sequence. Args: N (int):
 The length of the sequence. Returns: list[tuple]: A list of tuples containing the indices for each partition. Example: [((0,), (), ()), ((), (0,), ()), ((), (), (0,))] """

    result = []
    if N <= 0:
        return result

    base = [0, 1, 2]
    for key in product(base, repeat=N):
        part = [[], [], []]
        for i, location in enumerate(key):
            part[location].append(i)

        result.append(tuple(tuple(p) for p in part))

    return result