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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 _one_projector(args: Dict[str, Any], index: int) -> Union[int, np.ndarray]: """Returns a projector onto the |1> subspace of the index-th qubit."""

    num_shard_qubits = args['num_shard_qubits']
    shard_num = args['shard_num']
    if index >= num_shard_qubits:
        return _kth_bit(shard_num, index - num_shard_qubits)
    return _zero_one_vects(args)[index]