Adding sum of list starting from 1 / python : I am new to python and was hoping someone can help me with a question from my practice. I am trying to create a function that would add the sums of numbers in list starting from 1 for each number. For example, [4,2,3] should return the result of ((1+2+3+4) + (1+2) + (1+2+3)) = 19
