From 7c79dbb8ad31840bf798e40c9a92a2a8f48cd843 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bogumi=C5=82=20Kami=C5=84ski?= <bkamins@sgh.waw.pl>
Date: Sat, 5 Feb 2022 12:10:12 +0100
Subject: [PATCH] add missing global

---
 ch02.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ch02.jl b/ch02.jl
index 58c01dc..c6f4818 100644
--- a/ch02.jl
+++ b/ch02.jl
@@ -196,7 +196,7 @@ y
 
 s = 0
 for v in y
-    s += v
+    global s += v
 end
 s
 s / length(y)