Array Sorter

array.rb

class List
  def initialize(array_one, array_two)
    @array_one = array_one
    @array_two = array_two
  end

  def array_sort
    final_array = []
    final_array << (@array_one - @array_two)
    final_array.flatten!
  end
end

array_reader.rb

require './lib/array.rb'

def check_array
  puts "List your first array (comma separated)."
  array_one = gets.chomp.split(',').map(&:to_i)

  puts "List your second array (comma separated)."
  array_two = gets.chomp.split(',').map(&:to_i)

  final_array = List.new(array_one, array_two)
  puts "Only #{final_array.array_sort} are exclusive to your first array."
end

check_array