ClassLLuffyStudent:
school='luffycity' #数据属性
def learn(self): #函数属性
print('is learning')
def eat(self): #函数属性
print('is eating')
#查看类的名称空间
print(LuffyStudent._dict_)
print(LuffyStudent._dict_['school'])
print(LuffyStudent._dict_['learn'])
#查
print(LuffyStudent.school])
print(LuffyStudent.learn)
#增
LuffyStudent.county= 'china'
#删
del LuffyStudent.county= 'china'
#改
LuffyStudent.county= 'CHINA'