tanakahda https://blog.hatena.ne.jp/tanakahda/ tanakahdaのプログラマ手帳 https://tanakahda.hateblo.jp/ Ruby members = { "dev1" => "ooishi", "dev2" => "kishi", "dev3" => "katou", "infra1" => "ishikawa", "infra2" => "ookawa" } members.each {|key, value| puts "#{key} : #{value}" } 結果 infra2 : ookawa infra1 : ishikawa dev3 : katou dev2 : kishi dev1 : ooish 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftanakahda.hateblo.jp%2Fentry%2F2013%2F09%2F05%2F154959" title="キー、値を全て取得する - 配列とハッシュ - @Ruby - tanakahdaのプログラマ手帳" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2013-09-05 15:49:59 rich https://tanakahda.hateblo.jp/entry/2013/09/05/154959 1.0 100%