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

=begin
모든 키와 값을 "이름: 나이" 형식으로 출력
=end

person = { name: "Charlie", age: 13 }

person.each do |key, value|
  puts "#{key}: #{value}"
end


people = [{ name: "Charlie", age: 13 },
          { name: "Steve", age: 34 },
          { name: "Anne", age: 23 }]
people.each { |item| puts "#{item[:name]}: #{item[:age]}"}