Seed data:

data:
    array1: 
        - 1
        - 2
        - 3
        - 4
        - 5
    array2:
        one: 1
        two: 2
        three: 3
        four: 4
        five: 5

Twig	Results
data.array1 | sum	15
data.array1 | product	120
data.array2 | values | sum	15
data.array2 | html_attr	one="1" two="2" three="3" four="4" five="5"