python——面向对象，烤土豆

"""Date：2020.2.9测试案例：烤地瓜需求分析1.烤的时间和对应的地瓜状态：2.烤制过程步骤：    1.定义类, 地瓜属性，状态，烤的时间，调料    2.定义方法，怎样烤制    3.创建地瓜对象"""# 定义地瓜类class SweetPotato:def __init__(self):self.cook_time = 0        self.cook_state = ‘生的‘        self.condiments = []def cook(self, time):"""烤地瓜方法"""        self.cook_time += timeif 0 <= self.cook_time < 3:self.cook_state = ‘生的‘        elif 3 <= self.cook_time < 5:self.cook_state = ‘半生不熟的‘        elif 5 <= self.cook_time < 8:self.cook_state = ‘熟的‘        elif 8 <= self.cook_time:self.cook_state = ‘烤糊的‘    def add_condiments(self, condiment):self.condiments.append(condiment)def __str__(self):return f‘这个地瓜的烤制时间：{self.cook_time}分钟，‘ \f‘状态：{self.cook_state}，调料有{self.condiments}‘def main():    digua1 = SweetPotato()    print(digua1)    digua1.cook(5)    digua1.add_condiments(‘盐‘)    print(digua1)    digua1.add_condiments(‘辣椒面儿‘)    print(digua1)if __name__ == ‘__main__‘:        main()