use python programming

Q3a. . Write a class that fulfils the following specifications. Class name Vaccine Parameter(s) argument(s) for the constructor _init_ In this order, 1. name -a str 2. origin - a str 3. efficacy - a float Detailed description 1. Assign the parameters to instance attributes of the same names, i.e. name, origin and efficacy Example usage vaccinel - Vaccine("Pfizer", "Germany",0.95) print(vaccine1.name) print(vaccinel.efficacy) Example usage output Pfizer 0.95 Q3b. Write a class method for the Vaccine class that fulfils the following specification Method name from_dict Parameter(s) argument(s) A dictionary with the following key value pairs 1. Key - "name", value - a str 2. Key - "origin", value - a str 3. Key - "efficacy", value - a float An instance of the Vaccine class Return value Detailed description Return an instance of the Product class using the values of the keys "name", "origin" and "efficacy" in the dictionary. Example usage new_vaccine - Vaccine.from_dict({"name": "Sputnik", "origin": "Russia", "efficacy":0.916}) print(new_vaccine.name) print(new_vaccine.efficacy) Example usage output Sputnik 0.916