2016-04-07から1日間の記事一覧
hash = {"Yamada" => 34, "Katou" => 28, "Endou" => 18} puts hash["Katou"] 参考:http://www.rubylife.jp/ini/hash/index2.html
hash = {"Yamada" => 34, "Katou" => 28, "Endou" => 18} puts hash["Katou"] 参考:http://www.rubylife.jp/ini/hash/index2.html