Ruby Examples

level4/35.rb

@@ -0,0 +1,14 @@
+#!/usr/bin/ruby
+# -*- coding: utf-8 -*-
+
+=begin
+점수 해시에서 평균 점수 계산
+=end
+
+people = [{ name: "Charlie", score: 13 },
+          { name: "Steve", score: 34 },
+          { name: "Anne", score: 23 }]
+
+avg = people.sum { |_| _[:score] } / people.length.to_f
+
+puts avg