构造函数中的getter/setter

function Person(name, age) {
  this._name = name;
  this._age = age;
}

Object.defineProperty(Person.prototype, 'name', {
  get: function() {
    return this._name;
  },
  set: function(value) {
    if (typeof value === 'string') {
      this._name = value;
    } else {
      throw new Error('Name must be a string');
    }
  }
});

Object.defineProperty(Person.prototype, 'age', {
  get: function() {
    return this._age;
  },
  set: function(value) {
    if (typeof value === 'number' && value > 0) {
      this._age = value;
    } else {
      throw new Error('Age must be a positive number');
    }
  }
});

class Person:
    def __init__(self, name, age):
        self._name = name
        self._age = age

    @property
    def name(self):
        return self._name

    @name.setter
    def name(self, value):
        if isinstance(value, str):
            self._name = value
        else:
            raise ValueError('Name must be a string')

    @property
    def age(self):
        return self._age

    @age.setter
    def age(self, value):
        if isinstance(value, int) and value > 0:
            self._age = value
        else:
            raise ValueError('Age must be a positive integer')