#!/usr/bin/ruby
# -*- coding: utf-8 -*-

=begin
나이 증가 메서드
=end

class Person
  attr_accessor :name, :age

  def initialize(name, age)
    @name = name
    @age = age
  end

  def grow_up
    @age += 1
  end
end

charlie = Person.new("Charlie", 13)
charlie.grow_up
p charlie