defined sum array

xincare · xincare · commit 9b9ba2d95262 · 2019-09-17T14:47:58.000Z
diff --git a/lib/ruby_intro.rb b/lib/ruby_intro.rb
@@ -4,6 +4,7 @@
 
 def sum arr
   # YOUR CODE HERE
+  arr.sum
 end
 
 def max_2_sum arr
