accumulator:0 value:1 index:0 Object:1,2,3,4,5
accumulator:1 value:2 index:1 Object:1,2,3,4,5
accumulator:3 value:3 index:2 Object:1,2,3,4,5
accumulator:6 value:4 index:3 Object:1,2,3,4,5
accumulator:10 value:5 index:4 Object:1,2,3,4,5
15
accumulator:0 value:10 index:0 Object:10,20,30,40,50
accumulator:100 value:20 index:1 Object:10,20,30,40,50
accumulator:500 value:30 index:2 Object:10,20,30,40,50
accumulator:1400 value:40 index:3 Object:10,20,30,40,50
accumulator:3000 value:50 index:4 Object:10,20,30,40,50
5500
accumulator:10 value:20 index:1 Object:10,20,30,40,50
accumulator:31 value:30 index:2 Object:10,20,30,40,50
accumulator:63 value:40 index:3 Object:10,20,30,40,50
accumulator:106 value:50 index:4 Object:10,20,30,40,50
160
accumulator: value:abc index:0 Object:[object Object]
accumulator:abc value:def index:1 Object:[object Object]
accumulator:abcdef value:xyz index:2 Object:[object Object]
abcdefxyz
accumulator: value:abc index:0 Object:[object Object]
accumulator:abcabc value:def index:1 Object:[object Object]
accumulator:abcabcdefdef value:xyz index:2 Object:[object Object]
abcabcdefdefxyzxyz
accumulator: value:abc index:0 Object:[object Object]
accumulator:abc0 value:def index:1 Object:[object Object]
accumulator:abc0def1 value:xyz index:2 Object:[object Object]
abc0def1xyz2
accumulator:30 value:10 index:0 Object:10,20,30,40,50,,20,,10
accumulator:40 value:20 index:1 Object:10,20,30,40,50,,20,,10
accumulator:60 value:30 index:2 Object:10,20,30,40,50,,20,,10
accumulator:90 value:40 index:3 Object:10,20,30,40,50,,20,,10
accumulator:130 value:50 index:4 Object:10,20,30,40,50,,20,,10
accumulator:180 value:20 index:6 Object:10,20,30,40,50,,20,,10
accumulator:200 value:10 index:8 Object:10,20,30,40,50,,20,,10
210