class Article(): def __init__(self, name: str, id: str, price: float = 0, quantity: int = 1) -> Article: """ the article data :param name: the name :type name: str :param id: uuid :type id: str :param price: price :type price: float :param quantity: quantity :type quantity: int :return: the article :rtype: Article """ self.name = name; self.id = id; self.price = price; self.quantity = quantity; return (self); def __repr__(self): return (f"Article(name={self.name},id={self.id},price={self.price},quantity={self.quantity})") def __str__(self): return (self.__repr__())