| about | help | code help+videos | done | prefs | 
Sum all of the values in a stack. sumStack([4, 5, 3, 2, 1]) → 15 sumStack([42]) → 42 sumStack([]) → 0 ...Save, Compile, Run (ctrl-enter)  | 
Progress graphs: 
 Your progress graph for this problem
 Random user progress graph for this problem 
 Random Epic Progress Graph
Difficulty: 300
Copyright Nick Parlante 2017 - privacy