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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 _Vapor_Pressure(cls, T):
 """Auxiliary equation for the vapour pressure Parameters T : float Temperature, [K] Returns ------- Pv : float Vapour pressure, [Pa] References IAPWS, Revised Supplementary Release on Saturation Properties of Ordinary Water Substance September 1992, http://www.iapws.org/relguide/Supp-sat.html, Eq.1 """

        Tita = 1-T/cls.Tc
        suma = 0
        for n, x in zip(cls._Pv["ao"], cls._Pv["exp"]):
            suma += n*Tita**x
        Pr = exp(cls.Tc/T*suma)
        Pv = Pr*cls.Pc
        return Pv