题解 | #修改属性2#

name = input()
salary = int(input())
age = int(input())


class Employee(object):

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


e = Employee(name, salary)
print(hasattr(e, "age"))
if hasattr(e, "age"):
    e.printclass()
else:
    setattr(e, "age", age)
    e.printclass()

Python中的hasattr()函数和setattr()函数：