# Convert class object to JSON in Python # import required packagesimport json  # custom classclass Student:    def __init__(self, roll_no, name, batch):        self.roll_no = roll_no        self.name = name        self.batch = batch    class Car:    def __init__(self, brand, name, batch):        self.brand = brand        self.name = name        self.batch = batch    # main functionif __name__ == "__main__":        # create two new student objects    s1 = Student("85", "Swapnil", "IMT")    s2 = Student("124", "Akash", "IMT")      # create two new car objects    c1 = Car("Honda", "city", "2005")    c2 = Car("Honda", "Amaze", "2011")      # convert to JSON format    jsonstr1 = json.dumps(s1.__dict__)    jsonstr2 = json.dumps(s2.__dict__)    jsonstr3 = json.dumps(c1.__dict__)    jsonstr4 = json.dumps(c2.__dict__)      # print created JSON objects    print(jsonstr1)    print(jsonstr2)    print(jsonstr3)    print(jsonstr4)