Sample code for displaying a menu terminal using ruby

ruby-menu.rb

def menu
  puts 'List your options below: \n
  1. first option \n
  2. second option \n
  3. Exit'
end

loop do
  menu
  option = gets.chomp

  case option
  when '1'
    puts "Do first option"
  when '2'
    puts 'Another question?'
    input = gets.chomp
    puts "Do as input says"
  when '3'
    break
  else
    puts 'Invalid command'
    puts 'Exiting..'
    break
  end
end