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# Encapsulation 封装 just convention 只是约定，实际还是能访问的
class Person:
address='test' # class attribute
def __init__(self,name,age):
self.name=name
self._age=age # non-public instance variables 实例变量
# public method
def show_age(self):
return self._age
def get_age(self):
return self._get_age()
# non-public method
def _get_age(self):
return self._age
p=Person('Pawn',26)
print (p.address)
print (p.name,p._age)
print (p.show_age())
print (p._get_age())
Python
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