题解 | #修改属性1#

class Employee:
    def __init__(self,name,salary): #定义属性
        self.name = name  #实例的属性
        self.salary = salary 
    def printclass(self): #定义方法
        try:
            return("{}'salary is {}, and his age is {}".format(self.name,self.salary,self.age))
        except:
            return('Error! No age')
e = Employee(input(),int(input()))
print(e.printclass())
e.age = int(input()) #直接给实例加属性
print(e.printclass())