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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 coefficients(self):
 """ All of the coefficient arrays This property is the concatenation of the results from :func:`terms.Term.get_real_coefficients` and :func:`terms.Term.get_complex_coefficients` but it will always return a tuple of length 6, even if ``alpha_complex_imag`` was omitted from ``get_complex_coefficients``. Returns: (array[j_real], array[j_real], array[j_complex], array[j_complex], array[j_complex], array[j_complex]):
 ``alpha_real``, ``beta_real``, ``alpha_complex_real``, ``alpha_complex_imag``, ``beta_complex_real``, and ``beta_complex_imag`` as described above. Raises: ValueError: For invalid dimensions for the coefficients. """

        vector = self.get_parameter_vector(include_frozen=True)
        pars = self.get_all_coefficients(vector)
        if len(pars) != 6:
            raise ValueError("there must be 6 coefficient blocks")
        if any(len(p.shape) != 1 for p in pars):
            raise ValueError("coefficient blocks must be 1D")
        if len(pars[0]) != len(pars[1]):
            raise ValueError("coefficient blocks must have the same shape")
        if any(len(pars[2]) != len(p) for p in pars[3:]):
            raise ValueError("coefficient blocks must have the same shape")
        return pars