1 #定义个类  2 class SweetPatato:  3     #初始化  4     def __init__(self):  5         self.status = '生的'  6         self.biaozhi = 0  7         self.flavour = []  8   9     def __str__(self): 10         return '土豆%s烤了%d mina,作料有%s'%(self.status, self.biaozhi, str(self.flavour)) 11  12     def back(self,backtime): 13  14         self.biaozhi += backtime 15  16         if self.biaozhi>0 and self.biaozhi<=2: 17             self.status = '生的' 18         elif self.biaozhi>2 and self.biaozhi<=5: 19             self.status = '半生不熟' 20         elif self.biaozhi>5 and self.biaozhi<=8: 21             self.status = '熟了' 22         elif self.biaozhi>8: 23             self.status = '糊了' 24  25     def addflavour(self,item): 26         self.flavour.append(item) 27  28 tu_dou = SweetPatato() 29 print(tu_dou) 30  31 tu_dou.back(1) 32 tu_dou.back(1) 33 tu_dou.addflavour('胡椒') 34 tu_dou.back(1) 35 tu_dou.back(1) 36 print(tu_dou) 37 tu_dou.back(1) 38 tu_dou.addflavour('辣椒') 39 print(tu_dou) 40 tu_dou.back(1) 41 print(tu_dou) 42 tu_dou.addflavour('香油') 43 tu_dou.back(1) 44 tu_dou.back(1) 45 tu_dou.back(1) 46 print(tu_dou)