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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 H(self) -> 'QubitVector': """Return the conjugate transpose of this tensor."""

        N = self.qubit_nb
        R = self.rank

        # (super) operator transpose
        tensor = self.tensor
        tensor = bk.reshape(tensor, [2**(N*R//2)] * 2)
        tensor = bk.transpose(tensor)
        tensor = bk.reshape(tensor, [2] * R * N)

        tensor = bk.conj(tensor)

        return QubitVector(tensor, self.qubits)