烤地瓜

    # 烤地瓜:  随烧烤时间改变,地瓜的状态发生变化  0-3 生的  3-6 半生不熟  6-8 熟了  >8 烤糊了
class SweetPotato:
    """地瓜类"""
    def __init__(self, num):
        # 定义属性
        self.cooked_state = "生的"  # 地瓜的状态
        self.cooked_time = 0  # 地瓜的烧烤总时间
        self.num = num  # 地瓜编号
        self.condiments = []  # 地瓜的佐料列表

    def cook(self, time):
        """烧烤"""
        self.cooked_time += time  # 烧烤总时间 累加每次烧烤的时间
        # 判断烧烤的总时间
        if self.cooked_time >= 0 and self.cooked_time < 3:
            self.cooked_state = "生的"
        elif self.cooked_time >=3 and self.cooked_time <6:
            self.cooked_state = "半生不熟"
        elif self.cooked_time >= 6 and self.cooked_time <8:
            self.cooked_state = "熟了"
        else:
            self.cooked_state = "烤糊了"

    def add_condiment(self, condiment):
        """
        添加佐料
        :param condiment: 佐料
        """
        self.condiments.append(condiment)

    def __str__(self):
        return "地瓜%d 的状态: %s, 佐料:%s" % (self.num, self.cooked_state, self.condiments)

# 创建对象
digua1 = SweetPotato(1)
# 执行烧烤操作
digua1.cook(2)
digua1.add_condiment("酱油")
print(digua1)
digua1.cook(3)
digua1.add_condiment("盐")
print(digua1)
digua1.cook(1)
digua1.add_condiment("辣酱")
print(digua1)
digua1.cook(2)
print(digua1)

# 创建对象2
digua2 = SweetPotato(2)
digua2.cook(1)
digua2.add_condiment("番茄酱")
print(digua2)
digua2.cook(5)
digua2.add_condiment("沙拉")
print(digua2)
digua2.cook(4)
digua2.add_condiment("芥末")
print(digua2)