person.rb

class Person
    attr_accessor :age
    def initialize(initialAge)
        @age = initialAge
        
        if @age < 0 then
            puts "Age is not valid, setting age to 0."
            @age = 0
        elsif @age > 30 then
            puts "You are too old!"
        end
    end

    def amIOld()
      # Do some computations in here and print out the correct statement to the console
        if @age < 13
            puts "You are young."
        elsif @age.between?(13, 17)            
            puts "You are a teenager."
        else
            puts "You are old."
        end
    end

    def yearPasses()
      # Increment the age of the person in here
        @age += 1
    end
end