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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 _extract_coeffs(self, imt):
 """ Extract dictionaries of coefficients specific to required intensity measure type. """

        C_HR = self.COEFFS_HARD_ROCK[imt]
        C_BC = self.COEFFS_BC[imt]
        C_SR = self.COEFFS_SOIL_RESPONSE[imt]
        SC = self.COEFFS_STRESS[imt]

        return C_HR, C_BC, C_SR, SC