1  # The reduce keyword computes a single value from the list. 
 2  # It uses a block which takes 2 values, the element and accumulator. 
 3  
 4  
 5  let scores = [3 8 4]
 6  
 7  print $"total = ($scores | reduce {|el, acc| $acc + $el})"
 8  
 9  print "\n"
10  
11  print "Same result as above with an easier approach"
12  
13  print $"($scores | math sum)"
14  
15  print "\n"
16  
17  print $"product = ($scores | reduce --fold 1 {|el, acc| $acc * $el })"      #--fold is a flag that defines initial value for accumulator
18