定义对象的定义输出的公、私有化

#定义Student类
class Student:
    
    def __init__(self,name,xuehao,phone):
        self.name = name
        self.xuehao = xuehao
        self.phone = phone
        #__self.password = '123'  #__代表私有化
    def say_hello(self):
        print("你好，我是{n},密码是{p}".format(n=self.name))
    def print_phone(self):
        print("{n}的的电话是{m}".format(n=self.name,m=self.phone))
   
        

#实例化
zhangsan = Student("zhangsan","01","123456")

#属性

zhangsan.xuehao

'01'

# 调用方法
zhangsan.say_hello()

你好，我是zhangsan

zhangsan.print_phone()

zhangsan的的电话是123456