Loop / List management problem - Anemone?

I have a long list of numbers for example (1,25,4,13 and so on). I would like to produce a new list that sums up all previous items but keeps the index of item in the list (1,1+25,1+25+4,1+25+4+13, …)= (1,26,30,43,…). I’ve never done loops before but Anemone looks promising, anyone any ideas?

You can get that result with the Mass Addition components partial results output.

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Thank you!