题解 | #修改属性2#

class Employee():
    def __init__(self, name, salary) -> None:
        self.name = name
        self.salary = salary

    def printclass(self):
        print(f"{self.name}'salary is {self.salary}, and his age is {self.age}")

ename = input()
esalary = int(input())
eage = int(input())    

e = Employee(ename, esalary)
print(hasattr(e, 'age'))

if hasattr(e, 'age'):
    e.printclass()
else:
    setattr(e, 'age', eage)
    e.printclass()