题解 | #修改属性1#

import sys

class Employee(object):
    def __init__(self, name, salary):
        self.name = name
        self.salary = salary
    
    def printclass(self):
        try:
            print("%s\'salary is %d, and his age is %d"%(self.name, self.salary, self.age))
        except:
            print("Error! No age")

name = input()
salary = int(input())
em = Employee(name,salary)
age = int(input())
em.printclass()
em.age = age
em.printclass()