gistfile1.rb

class Person
    attr_accessor :name

    def initialize(name)
        @name = name
    end

    def say_hello
        return "Hello! my name is #{@name}"
    end
end

class Counter
    attr_accessor :count

    def initialize()
        @count = 0
    end

    def increase
        @count += 1
    end

    def say_count
        "Count is now: #{@count}"
    end
end

def main
    daniel = Person.new("Daniel")
    eduardo = Person.new("Eduardo")

    puts daniel.say_hello() >> "Hello! my name is Daniel"
    puts eduardo.say_hello() >> "Hello! my name is Eduardo"

    my_counter_instance = Counter.new
    new_counter = Counter.new
    my_counter_instance.increase()
    my_counter_instance.increase()
    my_counter_instance.increase()
    new_counter.increase()
    new_counter.increase()
    my_counter_instance.say_count >> "Count is now: 3"
    new_counter.say_count >> ???
end

main()