题解 | #修改属性1#

class Employee():
    def __init__(self, name, salary) -> None:
        self.name = name
        self.salary = salary
    def printclass(self):
        try:
            print(f"""{self.name}'salary is {self.salary}, and his age is {self.age}""")
        except AttributeError:
            print('Error! No age')
name_ = input()
salary_ = int(input())
age_ = int(input())

e = Employee(name_, salary_)
e.printclass()

# adding attribute dynamically 
e.age = age_
e.printclass()