From 604da0ea382c25800f6d163758b92f88365a7934 Mon Sep 17 00:00:00 2001
From: AnteronGitHub <antero.vainio@outlook.com>
Date: Fri, 22 Jan 2016 13:47:48 +0200
Subject: [PATCH] tehty metodi erotus

---
 koodi.rb | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/koodi.rb b/koodi.rb
index 932f2b3..b98cb0c 100644
--- a/koodi.rb
+++ b/koodi.rb
@@ -1 +1,4 @@
 # kirjoita koodi tänne
+def erotus(x,y)
+	puts x-y
+end
\ No newline at end of file