require 'csv' words = [] CSV.foreach( 'words.csv' ) do |row| words << row[0] end score = 0 index = 0 while index < words.length word = words.sample puts "単語 #{word}" print "入力: " input = gets.chomp if input == word puts "正解!" score += 10 else puts "間違い!" end index += 1 end puts "あなたのスコアは#{score}点です。"