## mark a section (Learn more)

class Person attr_reader :age @@count = 0 def initialize(name,age) @name,@age = name,age @@count += 1 end def self.count @@count end def self.find_oldest(*people) people.sort_by {|person| person.age}.last end def self.find_youngest(*people) people.sort_by {|person| person.age}.first end def to_s "My name is #{@name} and my age is #{@age}" end end person1 = Person.new("blah",33) puts person1 puts "Number of people created so far: #{Person.count}" person2 = Person.new("Tim",13) puts person2 puts "Number of people created so far: #{Person.count}" person3 = Person.new("Doug",83) puts person3 puts "Number of people created so far: #{Person.count}" puts "Oldest person: #{Person.find_oldest(person1,person2,person3)}" puts "Youngest person: #{Person.find_youngest(person1,person2,person3)}"

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