#!/usr/bin/env ruby
# -*- coding: utf-8 -*-
require 'csv'
CSV.open("output.csv", "w") do |csv|
  csv << ["a", "b", "c"]
  csv << [1, 2, 3]
  csv << ["りんご", "みかん", "バナナ", "柿","びわ","ビートルート"]
end