code: def calculate(self, T):
          r'''Method to actually calculate heat capacity as a function of 
          temperature.
              
          Parameters
          ----------
          T : float
              Temperature, [K]
  
          Returns
          -------
          Cp : float
              Liquid heat capacity as T, [J/mol/K]
          '''        
          return Zabransky_cubic(T, *self.coeff_sets[self._coeff_ind_from_T(T)]f calculate(self, T):
          r'''Method to actually calculate heat capacity as a function of 
          temperature.
              
          Parameters
          ----------
          T : float
              Temperature, [K]
  
          Returns
          -------
          Cp : float
              Liquid heat capacity as T, [J/mol/K]
          '''        
          return Zabransky_cubic(T, *self.coeff_sets[self._coeff_ind_from_T(T)])
docs: r'''Method to actually calculate heat capacity as a function of 
          temperature.
              
          Parameters
          ----------
          T : float
              Temperature, [K]
  
          Returns
          -------
          Cp : float
              Liquid heat capacity as T, [J/mol/K]