封装 实例

 1 class person:
 2     def __init__(self,name,age,weight):
 3         self.Name = name
 4         self.Age = age
 5         self.Weight = weight
 6     def chi(self):
 7         self.Weight+=2
 8     def exercise(self):
 9         self.Weight-=1
10 
11 o1 = person('小米',20,200)
12 w = o1.Weight
13 print(w)
14 o1.chi()
15 print(o1.Weight)
16 o1.chi()
17 o1.chi()
18 print(o1.Weight)
19 o1.exercise()
20 o1.exercise()
21 o1.exercise()
22 
23 print(o1.Weight)
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原文地址：https://www.cnblogs.com/Erick-L/p/6436024.html