﻿class Student:

    def __init__(self):
        self.public_name = "Lazy"
        self._protected_department = "CSE"
        self.__private_age = 20

    def display_details(self):
        print("Age:", self.__private_age)
        print("Department:", self._protected_department)

student = Student()

print("Name:", student.public_name)

student.display_details()