From 355543c023ae38a4551d0194bc4e2625a93e8c67 Mon Sep 17 00:00:00 2001
From: Satu Asikainen <satu.asikainen@helsinki.fi>
Date: Sat, 23 Jan 2016 21:18:52 +0200
Subject: [PATCH] =?UTF-8?q?teht=C3=A4v=C3=A4=2010=20palautus=201?=
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---
 koodi.rb | 5 +++++
 1 file changed, 5 insertions(+)
 mode change 100644 => 100755 koodi.rb

diff --git a/koodi.rb b/koodi.rb
old mode 100644
new mode 100755
index 932f2b3..82a2e8e
--- a/koodi.rb
+++ b/koodi.rb
@@ -1 +1,6 @@
 # kirjoita koodi tänne
+def avainten_summa(a)
+  taulu = a.keys
+  summa = taulu.inject(0){|tulos,x| tulos + x}
+  return summa
+end
\ No newline at end of file