题解 | #修改属性2#

class Employee:
    def __init__(self, name, salary):
        self.name = name
        self.salary = int(salary)  # 将输入的字符串转换为整数

    def printclass(self):
        try:
            self.age
        except AttributeError:
            print("Error! No age")
        else:
            print("{}'salary is {}, and his age is {}".format(self.name, self.salary, self.age))

name = input()
salary = int(input())  # 将输入的字符串转换为整数
e = Employee(name, salary)

print(hasattr(e, 'age'))

e.age = int(input())  # 将输入的字符串转换为整数
e.printclass()