def specific_heat_ratio(Cp: float, Cv: float) -> float:
    """[summary]

    Args:
        Cp (float): Spectfic Heat Constant Pressure [J/kg*K].
        Cv (float): Spectfic Heat Constant Volume [J/kg/K].

    Returns:
        float: Specific heat ratio [no units].
    """
    return Cp / Cv